7 local companies ranked by 582 Google reviews. Free to compare, no sign-up.
Short answer: The top-rated heat pump installers in Oyster Bay are Home+ Air and Heat (5.0★, 92 reviews), HarmonAire Ductless Heat Pumps (4.9★, 217 reviews), L. Graziose Plumbing Heating & Cooling (4.7★, 164 reviews).
✓ = on the official contractor list for NYS Clean Heat participating contractors (checked September 28, 2026, source). Most rebates require a registered contractor; confirm before you sign.
Together these 7 companies average 4.8★ across 582 reviews. HarmonAire Ductless Heat Pumps has the most reviews (217).
Ranked by Google rating weighted by review count, collected September 2026. Rankings are never paid for. How we rank and how we make money.
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For a typical 3-ton system ($5,830 per ton for ductless up to $6,914 per ton for ducted). Your home may cost more or less.
Financing or future programs may still help. Check the rebate page before you sign.
Price source: Massachusetts Residential Heat Pump Invoice Cost Study, based on real Mass Save and MassCEC invoices (January 2024 dollars). Rebates: our verified program data, checked monthly. Always confirm the exact amount for your home.
Pick up to 3 companies and tell them what you want done. We send your request straight to them. Free, no obligation.
In Oyster Bay, the average January low is -2°C (28°F), and the coldest temperature recorded from 2015-2024 was -19°C (-2°F). That's milder than 66% of the 123 cities we track. Winters here are mild enough that most cold-climate heat pumps can heat your whole home. Sizing and installation quality matter more than squeezing out extra cold-weather rating.
Source: Open-Meteo historical weather data, 2015-2024.
Before you call anyone, check what heat pump rebates you can get in Oyster Bay. Many programs require approval or a registered contractor before work starts.
Planning more upgrades? See the top-rated solar installers, home battery installers in Oyster Bay.
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