AirProHQ
Leonia, NJ · Updated Oct 2026

5 HVAC contractors in Leonia — every one with a license we could verify.

AirProHQ lists 5 heating and cooling companies in Leonia, NJ, every one matched to a license on the NJ HVACR Board register.

Leonia 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.

5Contractors listed
5License-verified · 100%

5 license-verified shown first

Sorted: license status, then name

HVAC contractors in Leonia, NJ

License verified

Eric Jin Doo

07605License 19HC00640300 · to 2028
Public reviewsNone on file
Profile
License verified

Harry Doo

07605License 19HC00640500 · to 2028
Public reviewsNone on file
Profile
Know the fair price

What HVAC work costs in Leonia

Leonia is a small market by listing count, and we don't have enough nearby listings to show a real regional picture either — the ranges below are the same national 2026 figures used sitewide, not a local estimate. 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
Leonia FAQ

Hiring an HVAC contractor in Leonia

Answers built from Leonia's own listing data.

01

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

Ask for the license number and search it on the NJ HVACR Board lookup (official site). 5 of the 5 listings here already match an active license; each of those profiles links straight to the lookup.