AirProHQ
Duarte, CA · Updated Nov 2026

10 HVAC contractors in Duarte: every one with a license we could verify.

AirProHQ lists 10 heating and cooling companies in Duarte, CA, every one matched to a license on the CSLB register. 1 advertise 24-hour emergency service. 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.

Duarte at a glance
License boardCSLB · number on every ad
Verify a license on the CSLB lookup

How we check every listing: our full verification methodology.

10Contractors listed
10License-verified · 100%
1Advertise 24/7 service

10 license-verified shown first · distances from the center of the listed offices

Sorted: license status, then name

HVAC contractors in Duarte, CA

Where they're based

Where Duarte's contractors are based

Counted from the office address on each record. A contractor based near you usually means a shorter response window on a hot afternoon.

Marco's Heating And AirGr Plumbing & HeatingAgape Air Condition & Heating IncGranillo DavidKline's Kustom Heating & Air IncArmoudikian SevagWinegard Energy Inc 91010
8 of 10 listings have a geocoded office address. Dots are offices, not service areas.License verifiedNot verified24/7
Know the fair price

What HVAC work costs in Duarte

Duarte itself lists 10 contractors — too few to price locally on its own — but 56 operate within a real 45-mile radius, including those serving Azusa, Monrovia, Baldwin Park. The ranges below are the same national 2026 figures used sitewide; 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
Duarte FAQ

Hiring an HVAC contractor in Duarte

Answers built from Duarte's own listing data.

01

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

Ask for the license number and search it on the CSLB lookup (official site). 10 of the 10 listings here already match a license on the register; each of those profiles links straight to the lookup.

02

Which Duarte HVAC companies advertise 24/7 service?

1 listing in Duarte, CA advertise round-the-clock service; filter the list above by 24/7 to see them. We record the claim from their own websites, not verified hours.

03

Why do most Duarte listings show no reviews?

Our Duarte data comes from the CSLB 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.

HVAC contractors near Duarte

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