Ductless Mini-Splits in Quincy, MA

What's specific to Quincy

The Wollaston Hill Local Historic District contains over 300 Colonial Revival, Shingle Style, and Queen Anne single-family homes built 1880–1920 as a streetcar-era suburb on the hill above Wollaston Beach. Squantum and Marina Bay add coastal single-families exposed to salt air, which favors coastal-rated coil coatings on outdoor condensers. North Quincy has denser multifamily housing.

Quincy climate & sizing

South Weymouth NAS (nearest ASHRAE station) reads 10.4°F. Coastal salt air affects outdoor unit corrosion specs for installs near the water; design winter is comparable to Boston otherwise.

99% winter design temperature: 10.4°F (South Weymouth NAS — nearest ASHRAE 2009 station). Heat-pump capacity at this temperature is the number to validate when reviewing a Manual J load calculation.

Mass Save sponsor & utility

Mass Save in Quincy is administered through National Grid. That sponsor processes your heat pump rebate (up to $8,500 standard in 2026, up to $16,000 enhanced for income-qualified households) and the HEAT Loan referral. See the full sponsor directory if you'd like to verify your account.

Note: Boston Gas Company d/b/a National Grid.

Permits & historic review in Quincy

Residential HVAC permits in Quincy are issued by the Inspectional Services Department, Building Division, 55 Sea Street DPW Complex. Gas work typically requires a separately-pulled gas permit; your licensed installer files both.

The Quincy Historical Commission administers the Adams Carriage House and Wollaston Hill local historic districts; Wollaston Hill in particular reviews exterior alterations visible from a public way.

Realistic cost-after-rebate for a Quincy home

Ductless mini-split installation in Quincy typically runs $4,000–$9,000 per zone; a whole-home multi-zone system (typically 3–5 zones) totals $12,000–$18,000 before incentives. Cold-climate ductless heat pumps on the Mass Save HPQPL qualify for the whole-home rebate of up to $8,500 when sized 90–120% of design heating load. Net cost on a rebate-eligible whole-home install in Quincy typically lands at $3,500–$9,500, with 0% HEAT Loan financing available up to $25,000.

Run your own numbers in the Mass Save rebate calculator using your expected system tonnage. Income-qualified households at or below 80% AMI may also stack an additional HEAR rebate up to $8,000 on top of the Mass Save rebate.

Massachusetts incentives

2026 Mass Save Rebates

See the full Mass Save rebates hub

Verified 2026-05-27

Most homes

Whole-Home Heat Pump Rebate

$2,650 /ton

Capped at $8,500 per home

The installed heat pump must be the sole source of heating and cooling for the spaces served. Equipment must be ENERGY STAR Cold Climate certified and listed on the Mass Save Heat Pump Qualified Products List (HPQPL). A Manual J load calculation is needed to qualify for the sizing bonus and is industry-standard practice on Mass Save projects.

Partial-Home / Supplemental Heat Pump Rebate

$1,125 /ton

Capped at $8,500 per home

Heat pump installed alongside an existing primary heating system. Equipment must be on the HPQPL. Lower per-ton rebate reflects supplemental rather than sole-source use.

Basic Heat Pump Rebate

$250 /ton

Capped at $2,500 per home

New for 2026. Applies to replacing an existing heat pump with a new qualified HPQPL-listed heat pump, or conditioning a previously unconditioned space.

+

$500 Right-Sized Equipment Bonus Partial-home

Partial-home installs only. Equipment must be sized to meet 90–120% of the total heating load at the outdoor design temperature, documented via an ACCA Manual J load calculation submitted with the rebate application.

+

$500 Weatherization Bonus Partial-home

Partial-home installs only. Requires a Mass Save Home Energy Assessment plus installation of the recommended weatherization (typically air sealing and insulation) within one year prior to or up to six months after the heat pump installation.

Financing

Mass Save HEAT Loan

0% APR up to $25,000

• Below 135% of State Median Income: 7 years (84 months)
• 135%–300% of State Median Income: 5 years (60 months)
• Over 300% of State Median Income: 3 years (36 months)

Subject to bank underwriting through participating Massachusetts lenders. Covers equipment + installation costs for qualifying high-efficiency upgrades (heat pumps, ductless mini-splits, insulation, water heaters). Households below approximately 81% SMI typically route to Mass Save's no-cost / enhanced-rebate programs rather than the HEAT Loan.

No federal heat pump tax credit applies in 2026.

• Section 25C Energy Efficient Home Improvement Credit (heat pump portion) (30% of cost up to $2,000 annually for qualifying heat pump installations (inflation reduction act expansion)) ended for property placed in service after 2025-12-31 under the One Big Beautiful Bill Act (P.L. 119-21).
• Section 25D Residential Clean Energy Credit (geothermal portion) (30% of installed cost for ground-source (geothermal) heat pumps, with no dollar cap) ended for property placed in service after 2025-12-31 under the One Big Beautiful Bill Act (P.L. 119-21).

Status as of 2026-05-27: neither 25C nor 25D has been reinstated or replaced by Congress. Pending bills (e.g. H.R. 616) have not advanced. Pre-2026 §25D installs may carry forward unused credits.

Rebate amounts and eligibility verified 2026-05-27 against primary program documentation. We re-check before any publish.

Get a quote using these rates

Equipment & qualification for Quincy

Mini-split sizing is where most ductless installs fail Mass Save qualification. Whole-home rebate eligibility requires the system to be the sole source of heating and cooling for the served spaces and to be sized 90–120% of the Manual J heating load — undersizing forfeits the rebate, oversizing wastes money and short-cycles the equipment. Verify the proposed model is on the Mass Save HPQPL and NEEP-certified for cold-climate operation (cccASHP listing) before signing.

Vetting a Quincy HVAC installer

• Massachusetts Refrigeration Technician (RT) license (verify with the state Board of Examiners).
• Mass Save Heat Pump Installer Network (HPIN) enrollment — required for rebate filing. (See the vetting guide for what to ask.)
• Liability insurance and workers' compensation.
• Provides ACCA Manual J load calculation with the quote — required for whole-home Mass Save rebate eligibility (90–120% of design heating load), and required to qualify for the $500 sizing bonus on partial-home installs.
• Quote itemizes equipment, install labor, permitting through Inspectional Services Department, Building Division, 55 Sea Street DPW Complex, and the rebate amount.
• Zone count matches Manual J output, not bedroom count.
• Indoor head placement (wall / ceiling cassette / floor-mount) is documented per zone with rationale.
• Branch box and lineset routing are mapped on a floor plan, not "we'll figure it out at install."

More on Ductless Mini-Splits in Massachusetts

• Ductless Heating & Cooling Units in MassachusettsDuctless heating and cooling units — also called mini-split heat pumps — typically cost $4,000 to $9,000 per zone installed in Massachusetts and qualify fo

Ductless Mini-Splits in nearby MA cities

• Ductless Mini-Splits in Boston, MADuctless mini-split installation in Boston runs $4,000–$9,000 per zone; whole-home cold-climate systems qualify for Mass Save rebates of up to $8,500 in 20
• Ductless Mini-Splits in Brockton, MADuctless mini-split installation in Brockton runs $4,000–$9,000 per zone; whole-home cold-climate systems qualify for Mass Save rebates of up to $8,500 in
• Ductless Mini-Splits in Worcester, MADuctless mini-split installation in Worcester runs $4,000–$9,000 per zone; whole-home cold-climate systems qualify for Mass Save rebates of up to $8,500 in
• Ductless Mini-Splits in Springfield, MADuctless mini-split installation in Springfield runs $4,000–$9,000 per zone; whole-home cold-climate systems qualify for Mass Save rebates of up to $8,500

Other HVAC services in Quincy

• Air Conditioner Installation in Quincy, MAAir conditioner installation in Quincy typically runs $5,000–$18,000 depending on system type; heat pump and ductless mini-split systems qualify for Mass S
• AC Installation in Quincy, MAAC installation in Quincy averages $5,000–$12,000 for central air or $4,000–$9,000 per zone for ductless; whole-home heat pump systems qualify for Mass Sav
• Geothermal in Quincy, MAGeothermal heat pump installation in Quincy typically runs $30,000–$60,000 depending on loop type; Mass Save geothermal incentives apply, though the federa

See all HVAC services available in Quincy in one place.