★★★★★
“Gary and his team were incredibly professional. They helped us apply for and receive a substantial Mass Save rebate — my builder never even mentioned it. When the check arrived I shouted with joy.”
Jennifer B.
Northampton, MA · 2024
Pioneer Valley's Trusted HVAC Since 1989
Premium Heating
& Cooling
Done Right. Since '89.
Northampton MA HVAC installation, heat pumps, boilers, and AC service. Mass Save rebate specialists and QIV-certified installers serving the Pioneer Valley since 1989.
NATE CertifiedMass Save PartnerQIV CertifiedSince 1989
Get a Free Estimate
Call or email us today
No obligation. We'll give you an honest assessment and a fair quote.
Emergency service available outside regular business hours
Mass Save Partner
Rebate application assistance
QIV Certified
First in Massachusetts
NATE Certified
All technicians
IGSHPA Accredited
Geothermal specialists
The Process
Straightforward from Call to Completion
No runaround. No pressure. Just honest work done right.
Call or Email Us
Reach us at (413) 584-3317 or service@wilsonph.com. Tell us what you need — we respond fast.
We Assess & Quote
We come to you, assess the system, and give you a fair quote. No surprise charges, no upsells you don't need.
Installed & Guaranteed
Gary and his crew handle everything. We clean up, we test, and we stand behind every job.
What We Do
Services We Offer
From heat pump installs to emergency repairs — all backed by 35+ years of Pioneer Valley experience.
Heat Pump Installation
Mass Save rebate-qualifying systems, zero-percent financing available.
Quote-basedGet an estimate →
Boiler Installation & Service
Hot water heat and HVAC retrofit. Viessmann certified installer.
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Central Air Conditioning
QIV-certified installation. Proper sizing, airflow testing included.
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Mini-Split Systems
Ductless heating and cooling for any room. Rebate-eligible.
Quote-basedGet an estimate →
HVAC Maintenance & Repair
Annual tune-ups and emergency service for all systems.
Call for pricingGet an estimate →
Mass Save Rebates
Get money back on qualifying HVAC installations
We help you apply for and receive Mass Save rebates — many of our clients get thousands back.
What Customers Say
Real Reviews from Pioneer Valley Homeowners
★★★★★
“The Wilson team showed up on time, finished exactly when they said they would, and cleaned up completely. Gary worked the job himself the entire day. You don't see that from contractors anymore.”
Michael T.
Easthampton, MA · 2024
★★★★★
“Gary was patient answering every question we had before, during, and after our furnace installation. Scheduling was easy, pricing was fair. We'll use Wilson for everything going forward.”
Sarah K.
Florence, MA · 2023
Where We Work
Serving the Pioneer Valley, MA
We serve homeowners and businesses across Western Massachusetts.
Northampton, MAEasthampton, MAFlorence, MALeeds, MASouthampton, MAWestfield, MAAmherst, MAHadley, MA
Not sure if we serve your area? Give us a call — we'll let you know right away.
Common Questions
Frequently Asked Questions
Yes — we are a Mass Save participating contractor and can help you apply for rebates on qualifying heat pump and HVAC systems. We also offer zero-percent financing on eligible installs.
We serve the Pioneer Valley including Northampton, Easthampton, Florence, Leeds, Southampton, Westfield, Amherst, and Hadley.
Yes — emergency HVAC service is available outside regular business hours. Call (413) 584-3317.
Since 1989. Gary Wilson has personally led every major installation for over 35 years.
Yes — NATE-certified technicians, QIV certified (first in MA), and accredited geothermal installer through IGSHPA.
Ready to Schedule?
One call. Honest quote.
Done right.
Gary Wilson and his team have been doing it this way for 35 years. No pressure, no surprises — just great HVAC work.