MetroWest's Trusted Heating & Cooling Experts
Heat out? AC broken? Need a mini-split quote? We answer the phone, reply within 15 minutes, and stand behind every job across MetroWest, MA.
- Reply within 15 min
- Free in-home estimate
- No-pressure quote
Get Your Free HVAC Quote
30-second form · no obligation · same-day response
Prefer to talk? Call (508) 786-8755
Our HVAC Services
From emergency repairs to new installations — expert HVAC solutions for homes and businesses across Massachusetts.
Heating Installation & Repair
Expert furnace and boiler installation, repair, and replacement services across Massachusetts. Stay warm all winter with Mass HVAC.
Air Conditioning Installation & Repair
Professional AC installation, repair, and maintenance in Massachusetts. Beat the summer heat with Mass HVAC's cooling experts.
Heat Pumps & Ductless Mini-Splits
Ductless mini-split and heat pump installation in Massachusetts. Year-round comfort with one efficient system.
HVAC Maintenance & Tune-Ups
Preventative HVAC maintenance and seasonal tune-ups in Massachusetts. Extend system life and lower energy bills.
Indoor Air Quality
Indoor air quality solutions in Massachusetts — duct cleaning, air purifiers, humidifiers, and filtration systems.
About Mass HVAC Inc
When your heat goes out at 2 AM or your AC fails during a July heatwave, you need a team you can count on. Mass HVAC provides 24/7 emergency service and expert installations across Massachusetts with transparent pricing and a 100% satisfaction guarantee.
As a fully licensed and insured HVAC contractor serving 50+ MetroWest cities and towns in Massachusetts, we bring expertise in heating, air conditioning, ductless mini-splits, maintenance, and indoor air quality solutions to every job.
How It Works
Four simple steps to get your HVAC system running perfectly.
Free Consultation
Call us or fill out our form. We'll discuss your HVAC needs and schedule a convenient visit.
Free Estimate
Our licensed technician inspects your system and provides an upfront, transparent quote.
Schedule Service
Pick a time that works for you. Same-day and emergency service available 24/7.
Job Done Right
We complete the work to the highest standard with a 100% satisfaction guarantee.
Why Choose Mass HVAC
Massachusetts homeowners and businesses trust Mass HVAC for reliable, professional HVAC service.
Licensed & Insured
Fully licensed Massachusetts HVAC contractor with comprehensive insurance coverage for your protection.
5-Star Rated
Consistently rated 5 stars on Google by satisfied customers across MetroWest and Greater Boston.
24/7 Emergency
Round-the-clock emergency HVAC service — we respond fast when you need us most.
Satisfaction Guarantee
100% satisfaction guaranteed on every job. If you're not happy, we make it right.
Recent Projects
See how we've helped Massachusetts homeowners and businesses solve their HVAC challenges.
No Heat? No AC?
We're On It.
Mass HVAC provides 24/7 emergency HVAC service across Massachusetts. When comfort can't wait, neither do we.
“The best hvac company around ! Giliard is a great technician”
Wanderson RosaGoogle“They are great team! They did an amazing work!”
kendally DuarteGoogle“I am Henry Muler , I had Gilliard and his people perform a huge project in my house, all old air ducts removed new metal ones installed , new Bosh AC with heat pump installed , tested . My wife and myself we are extremely please with the work the was done ,Everything was done clean and not much of destruction in our daily lives. Thank you Gilliard for a very professional work and being very reliable.”
Henry MulerGoogle“These guys do great work at a great price. Highly recommend.”
Homero PereiraGoogle“Excellent customer service ❄️🔥”
Robert Rangel SilvaGoogle“bring comfort back to my home, thanks Gilliad and team”
LUIZ ALBERTOGoogle
Serving All of Massachusetts
Mass HVAC provides professional heating, cooling, and indoor air quality services to 50+ MetroWest cities and towns across the Commonwealth.
Frequently Asked Questions
We offer 24/7 emergency HVAC service across Massachusetts with typical response times under 60 minutes for most MetroWest and Greater Boston locations.
Mass HVAC serves 50+ cities across the MetroWest Massachusetts region — including Milford, Framingham, Natick, Wellesley, Marlborough, Hudson, Westborough, Shrewsbury, Hopkinton, Sudbury, Concord, Needham, and many more towns west of Boston.
Yes, Mass HVAC provides free, no-obligation estimates for all HVAC installations and replacements. Call (508) 786-8755 to schedule yours.
We are factory-trained on all major HVAC brands including Carrier, Lennox, Trane, Rheem, Goodman, Daikin, Mitsubishi, and more.
Absolutely. All Mass HVAC technicians are fully licensed in Massachusetts and we carry comprehensive insurance for your protection.
We recommend professional HVAC maintenance at least twice a year — once before heating season and once before cooling season to ensure peak efficiency and prevent breakdowns.
Our Service Area
MetroWest fast, reliable HVAC service to 50+ MetroWest cities and towns.
Fast Response
Usually within 60 minutes
50+ MetroWest Cities
Worcester, Middlesex & Norfolk Counties
Licensed & Insured
Full MA HVAC licensure
5-Star Rated
On Google Reviews