4.9
Google Rating
Southern NH's Top-Rated HVAC & Plumbing Team
HEAT. COOL. FLOW.
Southern New Hampshire's most-trusted HVAC & plumbing team. Same-day service, upfront pricing, and a 10-year guarantee on every job.
10-Year Labor Warranty
Same-Day Service
Licensed · Bonded · Insured
$0 Diagnostic With Repair
Family-Owned Since 2014
What We Do
Expert Service for
Expert Service for
Every Home System
From routine tune-ups to full system replacements — certified techs, upfront pricing, zero hidden fees.
AC & Cooling
Repairs, tune-ups, and high-efficiency system installs to beat the New England summer.
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Heating & Furnace
Furnace, boiler, and heat pump service plus 24/7 emergency heat when you need it most.
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Plumbing
Leaks, clogs, water heaters, and repipes — licensed plumbers with flat-rate pricing.
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24/7 Emergency
Burst pipe at 3am? No heat on a Sunday? We answer the phone and dispatch — always.
Call now
Why Apex
We Show Up. We Fix It. Guaranteed.
In a market full of faceless contractors, our name is on every job — and we back it with an industry-leading warranty.
Certified Technicians
NATE-certified, background-checked, and drug-tested.
Flat-Rate Upfront Pricing
You approve the price before we start. No hourly traps.
10-Year Labor Warranty
Industry standard is 1 year. We offer 10.
2,400+
Jobs Completed
The Apex crew · Nashua, NH
12
Years in Business
2hr
Avg Emergency Response
How It Works
From Call to Comfort
From Call to Comfort
in Three Steps
01
Book in 60 Seconds
Call 24/7 or book online. We confirm your slot and send your tech's profile.
02
We Diagnose & Quote
On-time arrival, full diagnosis, and a flat-rate quote before any work starts.
03
Fixed & Guaranteed
We fix it right, clean up, and back it with our 10-year labor warranty.
Customer Reviews
Don't Take
Don't Take
Our Word for It
500+ five-star reviews and counting. Here's what Southern NH homeowners say.
“Our AC died at 9pm on a Friday in August. Apex had a tech here by 11 and fixed it the same night. Unreal service.”
Mike K.Nashua, NH · 2 months ago
“Three companies quoted me. Apex was the most transparent by far — itemized, no upsells. New system in one day, heating bill down 30%.”
Sarah R.Bedford, NH · 4 months ago
“Burst pipe at 6am Tuesday. Tech here by 8, done by 10, cleaned up the whole mess. I won't call anyone else.”
Dave M.Manchester, NH · 6 weeks ago
Common Questions
Everything
Everything
You Need
to Know
No. Estimates and diagnostics are free when paired with a repair. We give you a flat-rate quote before any work begins.
Most service calls are handled same-day, and our average emergency response time is under 2 hours, 24/7/365.
Fully. NH Lic. #HVAC-7842, bonded and insured, with NATE-certified, background-checked technicians.
Yes — flexible financing is available on system replacements and major repairs, with quick approval.
All of Southern New Hampshire — Nashua, Manchester, Bedford, and 20+ surrounding towns.
Service Area
Proudly Serving
Proudly Serving
Southern NH
Dispatching from Nashua, we reach most calls within 2 hours — and 1 hour or less in emergencies.
Nashua
Manchester
Bedford
Merrimack
Londonderry
Derry
Hudson
Milford
Amherst
Windham
Hollis
Goffstown
Ready When You Are.
Call now for emergency service, or book a free estimate online.
Get in Touch
We're Ready
We're Ready
When You Are.
Request a free estimate, or call directly for emergencies. We respond to all estimates within 2 hours during business hours.
Phone
Address
48 Industrial Park Dr, Nashua, NH 03060
Hours
Mon–Fri 7am–7pm · 24/7 Emergency
Get Your Free Estimate
No commitment · No sales pressure · 2-hour response