Nathan Healy
Certified by Nathan Healy
Updated: October 2026
Quality home solutions since 2011
Palmetto serves thousands of customers across 25 states with an over 85% approval rating

01

Benefits of Palmetto Heat Pumps

Say goodbye to clunky old systems and surprise repairs. Palmetto Comfort Plan gives you a brand-new heat pump, installation, and full support, all wrapped into one subscription.

Year round comfort

Year Round Comfort

A high-efficiency heat pump keeps your home cool in summer, warm in winter, and your energy use in check all year long.

Forget the maintenance

Forget the maintenance

With a Comfort Plan subscription, installation and maintenance are fully covered, no surprise bills, no weekend DIY.

Rewards for renewing

Rewards for renewing

Stick with us and earn credits toward your next system upgrade. It’s our way of saying thanks for building a cleaner, comfier future with us.

02

Waltham, MA Heat Pump Load Calculator

This calculator uses the square-foot method to estimate home heating and cooling needs. It assumes a 72°F indoor temperature, with 91°F and -5°F as the ACCA-standard cooling and heating design temperatures, respectively, for Waltham, MA. For an official Manual J load calculation and quote, get in touch with Palmetto’s team. Get in touch with our team for an official quote.

Step 1 of 3

Home location & size

Your home’s location and size directly impact heating needs.

Step 2 of 3

Home attributes

Step 3 of 3

Additional details

Description of what this means for context.

Estimated Heating Needs

Your home’s location falls within the a climate zone with the average extreme winter falling between 10° – 15° F.

Home Details

Get Started

Recommended equipment capacity

60,000 BTU

5 Tons

Calculated Cooling Mode

102,000 BTU

8.5 Tons

03

Buy it or finance it. Your comfort, your call

There's no wrong way to get cozy. Here's how the options stack up, so you can choose what works best for you.

Cash

Loan

Payment schedule $0 upfront, then monthly subscription Full price upfront $0 upfront, then monthly payment
Term length 10 or 12 years None Variable
End of term options Flexible with 25% renewal term credits to new system No credits to new system No credits to new system
Maintenance included
Eligible for incentives
Payment schedule $0 upfront, then monthly subscription
Term length 10 or 12 years
End of term options Flexible with 25% renewal term credits to new system
Maintenance included
Eligible for incentives

Cash

Payment schedule Full price upfront
Term length None
End of term options No credits to new system
Maintenance included
Eligible for incentives

Loan

Payment schedule $0 upfront, then monthly payment
Term length Variable
End of term options No credits to new system
Maintenance included
Eligible for incentives

Local Incentives

Waltham, MA Heat Pump Rebates & Incentives

Local and federal incentive programs can significantly reduce the cost of a new heat pump system. Here are the programs available to Waltham homeowners.

Mass Save Heat Pump Rebates

Up to $13,500

Active 2026 standard rebates include air-source heat pumps at up to $8,500 and ground-source heat pumps at up to $13,500. Air-source rebates vary by project type, with a separate basic rebate tier.

Eligibility: Waltham homeowners need a qualifying residential utility account and new eligible equipment installed by a Mass Save Heat Pump Installer Network contractor in 2026. Requirements vary by project and existing heating fuel; whole-home projects generally require sufficient weatherization and supporting verification.

Learn more →

Mass Save Enhanced Rebates

Up to $25,000

Income-qualified homeowners may be eligible for enhanced heat pump rebates, including up to $16,000 for air-source systems or up to $25,000 for ground-source systems. Air-source heat pumps may also be available through income-based turnkey services at no cost.

Eligibility: Household income must be verified, and the home must use oil, propane, or electric resistance as its pre-existing primary heating fuel; natural-gas homes are not eligible for these enhanced heat pump rebates. Required weatherization recommendations must be completed, and a participating Mass Save heat pump contractor must install qualifying equipment.

Learn more →

Mass Save Integrated Controls

Up to $1,500

A rebate is available for adding eligible integrated controls to an existing air-source heat pump system. This offer is not for a new heat pump installation.

Eligibility: Waltham residential customers with a qualifying utility account may apply for new controls on the Mass Save qualified-product list, installed during 2026 by a Mass Save Heat Pump Installer Network contractor. Applications and supporting documents are due by February 28, 2027.

Learn more →

Waltham homeowners with qualifying utility accounts can access active 2026 Mass Save rebates for air-source and ground-source heat pumps, with enhanced offers for income-qualified households and a separate rebate for eligible integrated controls. Palmetto can help homeowners check eligibility, apply for available rebates, and maximize the incentives that fit their project.

Incentive information is based on publicly available data as of 2026 and may change. Contact program administrators to verify current availability and eligibility requirements.

04

Climate Zones

Waltham is in USDA Hardiness Zone 6, where the winter design temperature is -5°F and the summer design temperature is 91°F. In practical terms, homeowners need a heat pump that can keep up through New England cold spells while also cooling during hot, humid weather. Palmetto understands Waltham’s climate and can recommend a system sized and selected for local conditions. Explore other zones below or enter your ZIP code to confirm your zone.

US Climate Zone Map
Your location

Climate Zone 1

Climate zone 1 is not typically seen within the United States outside of Alaska. It represents the coldest climates on the planet.

Climate Zone 1A

Avg. extreme winters: -60° to -55° F

Climate Zone 1B

Avg. extreme winters: -55° to -50° F

05

Waltham Electricity Prices

What do rising electric rates mean for heating and cooling a Waltham home?

Massachusetts residential electricity averaged 29.3¢ per kilowatt-hour in 2024, up from 22.9¢ in 2021. Rates eased slightly from 2023’s 29.6¢, but remained well above the U.S. average of 16.5¢.

A heat pump can deliver about 2–3 units of heating or cooling for each unit of electricity it uses, helping Waltham households get more comfort from every kilowatt-hour than with traditional HVAC systems.

By using less electricity per unit of heating or cooling, a heat pump can help limit how much rising rates affect household energy use over time. Actual savings depend on your home, system, and utility rates.

Price of Energy: Massachusetts vs National Average

0¢
10¢
20¢
30¢
40¢
13.7¢
22.9¢
15.0¢
26.0¢
16.0¢
29.6¢
16.5¢
29.3¢
2021
2022
2023
2024
US Average
Massachusetts

Waltham Area Utility Providers

In Waltham, Eversource electricity averaged 29.7¢ per kWh in 2023—slightly above Massachusetts’ 29.60¢ average and well above the 16.0¢ national average. The latest utility data available is from 2023; 2024 data isn’t available yet.

Waltham’s rate was nearly the same as the state average. Utility rates can vary with electricity supply and delivery costs, while national averages reflect different regional energy markets and grid expenses.

High electricity prices make efficiency especially important. Heat pumps can deliver more heating and cooling for the electricity they use, potentially lowering total energy spending compared with traditional HVAC. Your savings depend on your home and energy use.

Waltham Utilities Electricity Rates

Eversource
29.70¢
+86%
MA Average
29.60¢
+85%
US Average
16.0¢
—
06

Palmetto Reviews

Ready to start saving with a heat pump?

Speak with a Palmetto heating & cooling expert to find out exactly how much you can save.

Get a Free Quote
Palmetto mobile app
07

Let our smart tools do the heavy lifting.

Get personalized tips, usage insights, project tracking, and that daily satisfaction of making your energy work smarter with the Palmetto mobile app.

  • Rewards for smarter energy usage
  • Energy insights & Dashboard
  • Personalized Savings Tools
  • Whole Home Energy Management
  • Support Whenever You Need It
Download the App
08

Repair versus replace

When a heat pump is in need of repair it is worth considering whether a replacement would be a better investment. While each case is unique, we generally recommend investing in a new unit when repairs exceed $5,000.

$5,000
Recommended repair threshold

A heat pump's lifetime is impacted by a number of factors including environment, use and the quality of the unit. It's important to choose the right unit for your climate zone and home's unique attributes.

When you are in need of repair, we recommend choosing a service provider that is an expert in the heat pump brand you have installed, and checking online reviews to ensure you are investing in the right level of service.

Potential repair Cost range Description
Capacitor Replacement $150 - $400 Common issue when unit struggles to start or makes a humming noise. Capacitors store the electrical energy needed to start the compressor and fan motors.
Refrigerant Recharge $250 - $750 Needed when the system loses cooling or heating efficiency due to low refrigerant levels. Includes leak detection, repair of minor leaks, and recharging the system to the manufacturer-specified level.
Reversing Valve Replacement $450 - $900 Required when the unit cannot switch between heating and cooling modes. The reversing valve directs refrigerant flow and is unique to heat pump systems.
Compressor Replacement $1,500 - $3,000 Major repair needed when the unit fails to heat or cool entirely. The compressor is the heart of the system, circulating refrigerant between the indoor and outdoor coils.
Evaporator/Condenser Coil Replacement $1,200 - $2,800 Replacement needed when coils develop leaks or corrosion that cannot be economically repaired. Coil damage reduces heat transfer efficiency and can cause refrigerant loss.
Control Board Replacement $500 - $1,200 Required when the system has electrical failures or erratic behavior. The control board manages all system operations including defrost cycles, fan speeds, and compressor staging.
Full System Replacement $4,500 - $8,000+ When repairs exceed the value of the unit or multiple major components fail simultaneously. Includes removal of the old system and installation of a new heat pump with updated refrigerant lines and electrical connections.

Ready to start saving with a heat pump?

Speak with a Palmetto heating & cooling expert to find out exactly how much you can save.

Get a Free Quote
09

Frequently Asked Questions

Yes, heat pumps can make sense in Waltham when properly sized for cold weather. The city is in Climate Zone 6, with a design heating temperature of -5°F and cooling temperature of 91°F; suitable systems can provide year-round heating and cooling. At Massachusetts’ current electricity price of 29.4¢ per kWh, compare estimated running costs with your current fuel system.

Your savings depend on your home’s insulation, equipment sizing, and fuel costs, so a home assessment can clarify expected performance. Palmetto offers a $0-upfront Comfort Plan with predictable payments and maintenance and repairs included, or direct purchase with ownership and possible state or utility rebates where available. Federal tax credits are unavailable for heat pumps installed in 2026.

Heat pumps can work efficiently in Waltham, though output and efficiency vary with outdoor temperature. The city is in Climate Zone 6, with a design heating temperature of -5°F and cooling temperature of 91°F. Properly sized cold-climate equipment can heat through winter and provide efficient cooling in summer.

At Massachusetts’s current electricity price of 29.4¢ per kWh, efficiency and installation quality matter to running costs; a heat pump’s actual cost depends on the home, system, and backup heat use. Palmetto offers a $0-upfront Comfort Plan with maintenance and repairs included, or direct purchase, which may qualify for available state or utility rebates.

In Waltham, leasing through Palmetto’s Comfort Plan may suit homeowners who want to avoid a large upfront cost: it has $0 upfront, predictable monthly payments, and includes maintenance, repairs, and warranty coverage for the plan’s life. Buying requires a one-time payment but gives you outright ownership and may suit those who prefer control.

Check for active state or utility rebates for direct purchases, and compare total lease payments with a purchase quote. Waltham is in Climate Zone 6, with a -5°F design heating temperature, so ask an installer to size the system for local winters. No federal heat pump tax credit is available for systems installed in 2026.

Heat pump installation costs in Waltham vary by home size, insulation, system type, number of zones, and electrical work needed; an on-site assessment is required for an accurate quote. Local sizing accounts for Climate Zone 6 design temperatures of -5°F for heating and 91°F for cooling. Massachusetts electricity currently costs 29.4¢ per kWh.

Palmetto’s Comfort Plan has $0 upfront cost, predictable monthly payments, and maintenance, repairs, and warranty coverage for the life of the plan. Direct purchase requires an upfront payment and gives you ownership; state or utility rebates may be available for eligible systems. No federal heat pump tax credit is available for systems installed in 2026.

A heat pump can be financially worthwhile in Waltham, but the result depends on your current heating fuel, home insulation, equipment efficiency, and energy prices. Massachusetts electricity costs 29.4¢ per kWh, so compare estimated annual heat-pump costs with your current bills; savings are not guaranteed.

Waltham’s Climate Zone 6 design heating temperature of -5°F makes proper sizing and cold-weather performance important. Palmetto’s Comfort Plan has $0 upfront cost, predictable monthly payments, and maintenance and repairs included. Direct purchase means owning the equipment and may qualify for state or utility rebates where available. No federal heat-pump tax credit is available for systems installed in 2026.

Palmetto offers heat pump installation for homeowners in Waltham, working with installation professionals to select and install a system suited to the home. Waltham is in Climate Zone 6, with a design heating temperature of -5°F and a design cooling temperature of 91°F, so equipment sizing and cold-weather performance matter.

You can choose Palmetto’s Comfort Plan, with no upfront cost, predictable monthly payments, maintenance and repairs for the life of the plan, and warranty coverage, or buy the equipment outright. Direct purchasers may qualify for active state or utility rebates. Federal heat pump tax credits ended for systems installed after December 31, 2025, so they are not available for 2026 installations.

HVAC means heating, ventilation, and air conditioning—the overall systems that manage indoor comfort. A heat pump is one kind of HVAC equipment: it moves heat indoors in winter and outdoors in summer, so one unit can heat and cool. A traditional setup may instead use a furnace for heat and a separate air conditioner.

In Waltham’s Climate Zone 6, systems are designed around a -5°F heating temperature and 91°F cooling temperature, so cold-weather performance and proper sizing matter. At Massachusetts’s 29.4¢/kWh electricity price, operating costs depend on equipment efficiency and home conditions. Palmetto offers a $0-upfront Comfort Plan or direct purchase.