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HEAT PUMP PRESENTATION

Tom Dlugosz, Owner Comfort Pro Ltd.

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Introduction to Heat Pumps

What is a heat pump?

A heat pump is an appliance that transfers heat (energy).�

How does it work?

A heat pump uses electricity to run a compressor. This circulates the refrigerant in the system to assist in the transfer of heat from one area to another.

Your refrigerator at home is a great example as it pulls heat away from the food and transferring the heat to the outside.

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How does it work?

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Energy Efficiency:

Heat pumps are extremely energy-efficient, with some systems achieving efficiencies of 300-400%. This means they can produce three to four units of heat for every unit of electricity consumed.

Benefits of Heat Pumps?

Environmental Impact:

Heat pumps operate on electricity, and when combined with renewable energy sources, they can have a near-zero carbon footprint.
By reducing the need for oil, gas, or propane for heating, heat pumps contribute to lower fossil fuel consumption and greenhouse gas emissions.
Many modern heat pumps use refrigerants with a lower global warming potential (GWP), reducing their impact on climate change.

COP (Coefficient of Performance):

The Coefficient of Performance (COP) It represents the ratio of heat output to the amount of energy input. A higher COP means the system is more efficient.

HSPF2 (Heating Seasonal Performance Factor, Version 2):

HSPF2 It accounts for the total space heating required during a typical heating season, divided by the total energy consumed by the system.

SEER2 (Seasonal Energy Efficiency Ratio, Version 2):

SEER2 It represents the ratio of total cooling provided over the cooling season (in BTUs) to the total electrical energy consumed (in watt-hours).

What they are and benefits.

COP:�- Is a measure of efficiency for heating systems, such as heat pumps.

Of 3 means the system provides 3 units of heat for every 1 unit of electricity used.
If we were to compare that to the most efficient furnace that would be a 0.98

HSPF2�- is a metric that measures the energy efficiency of air-source heat pumps in heating mode, updated to reflect new 2023 testing standards.

A higher HSPF2 rating means the system uses less energy to provide heat over the season.
This newer version (HSPF2) adjusts for updated testing protocols compared to the original HSPF.

SEER

SEER2 is the updated measure of cooling efficiency for air conditioners and heat pumps, also reflecting new 2023 testing standards.
A higher SEER2 indicates a more efficient cooling system.
SEER2 updates the previous SEER standard to align with revised testing conditions
* we don’t really want to look at the SEER rating when comparing heat pumps because there are manufactures that will have a very high SEER rating but when you compare the COP or HSPF it won’t be as good as some other units that have a lower SEER rating.��Approx. 81% of emissions come from energy NRCAN�Quantifying Carbon Savings:
For a typical home, this can translate to a reduction of approximately 1.5 to 3 tons of CO2 per year. This estimate is based on average home heating needs and typical emissions factors for various heating methods.�Carbon Savings with a Heat Pump:
According to the U.S. Environmental Protection Agency (EPA), a heat pump can reduce carbon emissions by about 30-40% compared to using electric resistance heating, such as baseboard heaters. If replacing oil or propane heating, the savings can be even higher—up to 50-60% depending on the efficiency of the heat pump and the carbon intensity of the electricity grid��In 2021 Canada produced 628 terawatt hours of electricity.�68% of Canada’s electricity comes from renewable sources and 82% from non-greenhouse gas (non-GHG) emitting sources such as solar, hydro, wind and nuclear.��Visual�Talk about the size of equipment… coils… defrost cycles

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Comfort:

Heat pumps provide more stable indoor temperatures by gradually distributing heat, avoiding the hot and cold cycles common with traditional systems.
Heat pumps can provide both heating in winter and cooling in summer, offering year-round comfort from a single system.
In cooling mode, with modern variable speed compressors heat pumps also dehumidify the air, contributing to a more comfortable indoor environment, particularly in humid climates.

Benefits of Heat Pumps?

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Ducted Heat Pumps:

How it works: Uses ducts to distribute air throughout the building.
Best for: Homes with existing ductwork; provides centralized heating and cooling.
Advantages: Efficient for large spaces, even temperature control.
Disadvantages: Complex to install if ducts aren’t already in place, potential heat loss through ducts.

Ducted, Ductless and…

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Ductless Heat Pumps (Mini-Splits):

How it works: No ducts needed; uses wall-mounted indoor units connected to an outdoor unit.
Best for: Homes without ductwork or for zoning specific areas.
Advantages: Easy installation, energy-efficient, allows room-specific temperature control.
Disadvantages: Multiple indoor units needed for larger homes, visible wall units.

Ducted, Ductless and…

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Water Heat Pumps:

How it works: Transfers heat between water sources and a water-based distribution system (e.g., radiant floor heating).
Best for: Homes with hydronic systems like rads or radiant floor heating.
Advantages: Extremely efficient, works well with radiant heating, can heat both spaces and water.
Disadvantages: High installation cost and complexity, requires hydronic infrastructure.

Ducted, Ductless and…

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Summary:

Ducted: Great for whole-home heating and cooling in homes with ductwork.
Ductless: Ideal for zoning, homes without ducts or supplemental heating/cooling and additions.
Water-to-Water: Best for hydronic systems, offering high efficiency but more complex installation.

Ducted, Ductless and…

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Still to cover:

Comparison/Price of Installations
Installation Considerations
Energy Savings
Maintenance
Incentives and Rebates
Case Studies
Q&A��Questions?

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Types of Heat Pumps?

Air-Source Heat Pumps (ASHP):

These are the most common type and transfer heat between the air inside and outside a building.
Subtypes: Ducted and ductless (mini-split) systems.

Ground-Source (Geothermal) Heat Pumps (GSHP):

These heat pumps use the stable temperature of the ground to transfer heat.
Subtypes: Horizontal, vertical, and pond/lake loops.

Water-Source Heat Pumps:

These systems transfer heat between a building and a nearby water source, like well.

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Comparison of Air-Source, Ground-Source, and Water-Source Heat Pumps:

Summary

Air-Source Heat Pumps (ASHP):

How it works: Extracts heat from outdoor air.
Efficiency: Moderate, drops in extreme cold.
Cost & Installation: Least expensive, easy to install, similar to air conditioners.
Advantages: Lower upfront cost, suitable for heating and cooling.

- Disadvantages: Less efficient in cold climates, outdoor units can be noisy.

Comparison

Air Source Heat Pump (Ducted System):

Equipment cost: $6,000 to $13,000

This includes the indoor air handler, outdoor unit, and controls.
Labor includes ductwork modifications (if needed), electrical work, and system installation.

Ductwork (if required): $2,000 to $10,000

If existing ductwork is in good condition, the cost will be lower, but new ductwork or significant modifications will add to the price.

Total estimated cost: $8,000 to $23,000

This range depends on home size, equipment quality, and complexity of installation.

Air Source Heat Pump (Ductless Mini-Split System):

Equipment cost: $3,000 to $8,500 per zone/unit

Each indoor unit (air handler) and outdoor condenser is included.
This includes installation of the indoor unit, outdoor condenser, and connecting lines.

Additional units: $1,500 to $3,000 per additional indoor unit (for multi-zone systems).
Total estimated cost: $4,500 to $11,500

This depends on the number of zones, quality and complexity of the installation

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Ground-Source (Geothermal) Heat Pumps (GSHP):

- How it works: Extracts heat from the stable temperatures of the ground.

- Efficiency: Extremely high (400-600%), consistent in all seasons.

- Cost & Installation: High upfront cost due to ground loop installation, long-term savings.

- Advantages: Very efficient, long lifespan, environmentally friendly.

- Disadvantages: High initial cost, requires significant space for installation.

Water-Source Heat Pumps:

- How it works: Extracts heat from nearby water sources like lakes or wells.

- Efficiency: Similar to geothermal systems, highly efficient.

- Cost & Installation: Moderate installation cost, but requires access to water bodies.

- Advantages: Highly efficient, ideal for larger properties near water.

- Disadvantages: Limited to areas with water sources, water quality must be managed.

Comparison

Ground Source (Geothermal) or Water Source Heat Pump:

Equipment cost: $30,000 to $50,000

Includes heat pump system, controls, and indoor air handler.
The bulk of the cost comes from installing the ground loop, which can vary depending on whether it’s a horizontal or vertical system and the size of the property.
For water-source systems, costs can be lower if a suitable water body is nearby.

Additional costs:

Drilling and excavation fees for vertical loops.
Permits and additional installation complexity for water-source systems.

Total estimated cost: $30,000 to $80,000

Geothermal installations are significantly more expensive upfront but offer high efficiency and long-term savings.

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Noise:

Defrost cycle
Noise from compressor (indoor unit)

Unit Location:

Ice/Water from defrost cycle
Snow and ice from roof.
North or South side.
Lake effect

Sizing:

Orientation
Ductwork size/sealing

Additional Information.

Best practices for heat pump installations.

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Additional Information.

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Additional Information.

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Maintenance

Routine Maintenance: Heat Pumps

1. Regularly Check on the Outdoor Unit:

Clean
Obstructions?
Inspect the Coils
Straight fins?

2. Clean or Replace Air Filters.

3. Inspect and Clean the Indoor Unit.

4. Check for Leaks & Unusual Noises.

5. Test Thermostat Operation.

What they are and benefits.

Routine Maintenance Tasks for Heat Pump Systems

1. Regularly Check on the Outdoor Unit:

Keep it Clean: Clear debris like leaves, dirt, and grass clippings from the outdoor unit to ensure proper airflow.
Check for Obstructions: Make sure the outdoor unit is free from obstructions like shrubs, fences, or snow. It should have at least 2 feet of clearance around it.
Inspect the Coils: Periodically inspect the outdoor coils for dirt buildup or frost. Dirty coils can reduce efficiency, and frost could indicate a defrost issue.
Keep the Fins Straight: Check the aluminum fins on the outdoor coil and gently straighten them if bent using a fin comb.

2. Clean or Replace Air Filters:

Frequency: Clean or replace filters every 1-3 months, depending on usage. Clogged filters reduce airflow and system efficiency.
Check More Frequently: In high-use periods (e.g., peak summer or winter), check filters monthly to ensure proper airflow.

3. Inspect and Clean the Indoor Unit:

Check for Blocked Vents: Ensure that nothing is blocking the indoor vents (like furniture or curtains) to maintain proper airflow.
Clean the Evaporator Coil: Over time, the indoor evaporator coil can become dirty. Gently clean it using a soft brush or vacuum to improve efficiency.

4. Check for Leaks and Unusual Noises:

Inspect for Leaks: Look for signs of water or refrigerant leaks around the indoor unit or outdoor condenser. These can signal refrigerant or condensation drain issues.
Listen for Noises: Pay attention to any unusual sounds like rattling or squealing, which can indicate mechanical problems such as a failing fan or motor.

5. Test Thermostat Operation:

Check Temperature Settings: Ensure the thermostat is reading temperatures accurately and that the heat pump responds to settings appropriately.
Calibrate if Needed: If you notice temperature discrepancies, calibrate the thermostat or have it checked by a professional.

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Tips for Maximizing Energy Efficiency with Heat Pump Systems:

Install a Backup System Wisely:

In colder climates, heat pumps may require backup heating, such as electric resistance heat, for extreme cold days.
Tip: Use a dual-fuel system (combining a heat pump with a gas furnace) instead of electric resistance backup to maintain efficiency on the coldest days.

Optimize Outdoor Unit Placement:

The location of the outdoor unit affects efficiency. It should be placed in a well ventilated place and a balance of shade and sun for summer and winter operation.
Tip: Place the unit to keep it away from strong winds or heavy snow buildup.

Improve Home or Building Insulation:

Even the most efficient heat pump won’t perform well in a poorly insulated space. Heat loss through walls, windows, and roofs can significantly reduce the system's effectiveness.
Tip: Insulate attics, walls, and floors, and install energy-efficient windows to reduce heat loss and improve overall efficiency.

Use the Heat Pump for Both Heating and Cooling:

Heat pumps are designed to be efficient year-round, so take advantage of both heating and cooling capabilities. This eliminates the need for separate HVAC systems, optimizing energy use throughout the year.
Tip: Transition fully (not AUTO mode) to using the heat pump for both heating and cooling, and ensure the system is tuned for dual functionality.

Monitor Energy Usage:

Some smart thermostats or energy monitors can track your energy usage and give insights into the efficiency of your system.
Tip: Track performance and energy usage regularly to spot inefficiencies early and adjust your usage habits or system settings as needed.

Energy Savings?

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Incentives and Rebates for Heat Pump Installations in Ontario

Available Incentives and Rebates in Ontario:

Canada Greener Homes Grant:

Overview: This federal program provides grants of up to $5,000 to help homeowners make energy-efficient upgrades, including the installation of air-source, ground-source, or water-source heat pumps.
Eligibility: Homeowners must get an energy audit before and after installation to qualify for the grant.
Amount: Up to $5,000 for qualifying heat pump installations.

Enbridge Gas Home Efficiency Rebate Plus (HER+):

Overview: This program offers rebates for homeowners who upgrade to energy-efficient heat pumps.
Eligibility: You must complete a pre- and post-installation energy assessment by a certified advisor. Enbridge customers are eligible for the rebate if they install a heat pump along with other efficiency upgrades.
Amount: Up to $6,500, depending on the combination of upgrades.

Ontario Energy Savings Rebate Program (OESP):

Overview: The OESP program offers rebates for upgrading to more energy-efficient equipment, including heat pumps.
Eligibility: Rebates are available to Ontario residents who meet the income eligibility criteria and use electricity as their main source of heating.
Amount: Varies based on the type of heat pump and income eligibility.

Save on Energy (IESO) Incentives:

Overview: The Independent Electricity System Operator (IESO) offers various energy-saving programs for residential and commercial customers, including rebates for installing energy-efficient heat pumps.
Eligibility: Both residential and commercial property owners can apply for this rebate.
Amount: Up to $4,500 for high-efficiency heat pump systems.

GreenON Fund (Retired but Check for Updates):

Overview: Previously, Ontario had the GreenON rebate program for energy-efficient upgrades like heat pumps. While this program is currently closed, it’s worth checking for any future updates or new provincial initiatives that may replace it.

Incentives and Rebates

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Incentives and Rebates for Heat Pump Installations in Ontario

Resources for Finding Applicable Incentives in Ontario:

Natural Resources Canada (NRCan) - Greener Homes Grant:

Website: Canada Greener Homes Initiative
Details: This page provides details on how to apply for the Canada Greener Homes Grant and access rebates for heat pump installations.

Enbridge Gas - Home Efficiency Rebate:

Website: Home Efficiency Rebate Plus (HER+)
Details: Provides information on how to apply for the rebate, energy assessments, and eligibility requirements.

Save on Energy (IESO):

Website: Save on Energy - Heat Pump Rebates
Details: Offers resources for homeowners and businesses in Ontario looking for energy-saving programs, including heat pump rebates.

Ontario Energy Board (OEB):

Website: OEB Rebates and Assistance
Details: Offers information on available energy-saving rebates and support programs for low-income households, including heat pump installations.

EnergyStar® Heat Pump Rebates:

Website: EnergyStar Rebates
Details: Provides links to rebate programs and tax incentives for energy-efficient heat pump systems.

How to Access Rebates:

Get an Energy Audit: For many rebate programs (like the Canada Greener Homes Grant), a professional energy audit is required before installation to assess your home’s current energy usage and recommend upgrades.
Consult with a Professional HVAC Contractor: Reputable HVAC contractors can help you navigate the available rebates and ensure the heat pump system you install qualifies for applicable programs.
Apply for Rebates Online: Most rebate programs have online application portals where you can submit your energy audit, receipts, and other documentation for approval.

Incentives and Rebates

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Questions and Answers

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Closing Remarks

Information From:

HVAC School��Bryant

Mitsubishi

�NRCAN

Residential Heating System Cost Calculator | Efficiency Maine

�Fuel Cost Calculator | AMSEnergy