Service Area

HVAC & Plumbing Company in Middlesex County, NJ

HVAC Middlesex County NJ — licensed heating, cooling, plumbing & drain service across Edison, Woodbridge, Old Bridge & New Brunswick. Call Guardian Air!

Your Local HVAC & Plumbing Team in Middlesex County

Guardian Air is a licensed HVAC and heating company serving Middlesex County, NJ — Edison, Woodbridge, Old Bridge, New Brunswick, Perth Amboy, and South Amboy. We repair and replace furnaces, boilers, and heat pumps, maintain whole-home HVAC systems, and handle plumbing, drains, and indoor air quality, with a price before any work begins.

Middlesex has some of the oldest housing in our service area — the median home was built in 1959 in Perth Amboy, 1962 in Woodbridge, and 1968 in New Brunswick (U.S. Census) — so a lot of our heating work is on boilers, radiators, and replacement furnaces running on original ductwork and flues. Natural gas comes from PSE&G, Elizabethtown Gas, or New Jersey Natural Gas depending on the town, and electricity from PSE&G or JCP&L.

For heating, start with furnace repair in Middlesex County. For cooling, see AC repair and replacement in Middlesex County. Plumbing and drain service have their own county pages, and each town below has its own page too.

Services We Offer in Middlesex County

Towns We Serve in Middlesex County

Don't see your town? We likely still serve it — give us a call to confirm.

Middlesex County Service FAQs

Which Middlesex County towns does your HVAC company cover?

Edison, Woodbridge, Old Bridge, New Brunswick, Perth Amboy, and South Amboy each have their own page below, and we work across the rest of Middlesex County as well.

Do you repair boilers and radiator systems in Middlesex County?

Yes. Many older homes in Perth Amboy, Woodbridge, New Brunswick, and South Amboy heat with hot-water or steam boilers, and we repair and replace them along with furnaces and heat pumps.

Do I need a permit to replace a furnace or boiler in Middlesex County?

Yes. A like-for-like furnace or low-pressure boiler replacement is "minor work" under the New Jersey Uniform Construction Code, so the town construction office is notified, a permit application is filed, and the work is inspected. We handle that paperwork in every Middlesex town.

When can a technician come out?

Our office books visits Monday to Friday 8 AM–6 PM and Saturday 8 AM–4 PM. Call (848) 276-6300 or request a time online.

Ready When You Are

Need Service?
We're Here to Help.

Same-day service across Monmouth, Middlesex, and Ocean County. Call now or schedule online — our techs are standing by.

(848) 276-6300
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Fully licensed professionals you can trust.

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Fast response when you need it most.

Upfront Pricing

No surprises. Just honest, transparent pricing.

100% Satisfaction

We stand behind our work and your comfort.