AirProHQ
Denville, NJ · Updated Oct 2026

13 HVAC contractors in Denville — every one with a license we could verify.

AirProHQ lists 13 heating and cooling companies in Denville, NJ, every one matched to a license on the NJ HVACR Board register. These listings come from the license register rather than review sites, so most carry no public rating — a verified license with no reviews is normal here, not a warning sign.

Denville at a glance
License boardNJ HVACR Board · number on every ad
Verify a license on the NJ HVACR Board lookup

How we check every listing: our full verification methodology.

13Contractors listed
13License-verified · 100%

13 license-verified shown first

Sorted: license status, then name

HVAC contractors in Denville, NJ

Know the fair price

What HVAC work costs in Denville

National 2026 ranges from our cost guides. Ask any contractor for a written, itemized quote and compare it against them.

JobTypical cost
Diagnostic / service call$75 – $200
Capacitor replacement$100 – $250
Refrigerant recharge$200 – $600
Compressor replacement$1,300 – $2,800
Central air conditioner$3,900 – $7,900
Full HVAC (furnace + AC)$5,000 – $12,500
Sources: AC repair cost guide · HVAC replacement cost guide
Denville FAQ

Hiring an HVAC contractor in Denville

Answers built from Denville's own listing data.

01

How do I check a Denville HVAC contractor's license?

Ask for the license number and search it on the NJ HVACR Board lookup (official site). 13 of the 13 listings here already match an active license; each of those profiles links straight to the lookup.

02

Why do most Denville listings show no reviews?

Our Denville data comes from the NJ HVACR Board license register, not from review sites, so many licensed one-truck operations have no public review profile. A verified license with no reviews is not a red flag — ask for two recent local references instead.