The Best HVAC in Walnut, CA

Compare the highest-rated hvac professionals in Walnut, California. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Walnut Climate Control Experts

4.8
(142 reviews)
Verified

A premier, family-owned HVAC specialist serving Walnut and the surrounding areas for over two decades. They are known for their comprehensive system expertise, from high-efficiency AC installations to complex furnace repairs. Their technicians are NATE-certified and particularly skilled in addressing the specific cooling demands of Walnut's hot summers and providing efficient heating solutions for the milder winters. They are a Carrier Factory Authorized Dealer, ensuring top-tier equipment and training.

28971 North Front Street, Walnut, CA 91789

Specialties & Features

24/7 Emergency Service
High-Efficiency HVAC Installation
Carrier Systems Expert
Smart Thermostat Integration

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#2

SoCal Efficient Air & Heating

4.6
(118 reviews)
Verified

This provider has built a strong reputation in Walnut by focusing on energy-efficient solutions and preventative maintenance plans. They excel at helping homeowners reduce their energy bills through system upgrades, duct sealing, and installing ENERGY STAR® rated units. Their team is highly trained in geothermal and heat pump systems, making them a go-to for homeowners interested in sustainable comfort. They offer robust maintenance agreements to keep systems running reliably year-round.

4021 Valley Boulevard, Suite B, Walnut, CA 91789

Specialties & Features

Energy Efficiency Audits
Geothermal & Heat Pump Systems
Preventative Maintenance Plans
Ductwork Design and Sealing

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

ProTemp Air Conditioning & Heating

4.5
(96 reviews)
Verified

Known for their rapid response times and excellent customer service, ProTemp specializes in repair and emergency services. They are the company many Walnut residents call for quick diagnostics and effective fixes on all major brands of AC and heating systems. They also handle straightforward system replacements and are a Lennox Premier Dealer. Their forte is solving urgent comfort problems efficiently and standing behind their work with strong warranties.

21100 Amar Road, Walnut, CA 91789

Specialties & Features

24/7 Emergency Repairs
Same-Day Service
Lennox Systems Dealer
HVAC System Diagnostics

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Walnut

The HVAC market in Walnut, CA, is driven by its Mediterranean climate, characterized by very hot, dry summers and mild, wetter winters. This creates a high demand for robust and efficient air conditioning systems from May through October, with heating systems seeing significant use during winter nights and mornings. Homeowners prioritize energy efficiency due to high electricity costs, leading to strong demand for SEER 16+ AC units, smart thermostats, and heat pumps. The market is competitive with numerous providers, but top-tier companies distinguish themselves through 24/7 emergency service, expertise with high-efficiency equipment, and strong local reputations built on reviews and community presence.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Walnut regulations and climate

Frequently Asked Questions About HVAC in Walnut

Get answers to common questions about hvac services in Walnut, California.

1What is the typical cost range for replacing a central AC unit in a Walnut home?

For a standard single-family home in Walnut, a full central AC replacement typically ranges from $5,000 to $12,000. The final cost depends heavily on the unit's efficiency (SEER rating), home size, and the complexity of the installation, such as ductwork modifications. Given our hot inland valley summers, investing in a higher SEER-rated unit (16+) can offer significant long-term savings on SCE (Southern California Edison) bills.

2When is the best time of year to schedule HVAC maintenance or replacement in Walnut?

The optimal time is during the mild spring (March-May) or fall (September-November) seasons. Scheduling service during these periods ensures your system is fully serviced before the intense summer heat arrives, and you'll find greater technician availability and potentially better pricing. Avoid the peak summer months when HVAC companies are overwhelmed with emergency no-cool calls.

3Are there any local Walnut or California regulations I should know about for HVAC work?

Yes. California has strict refrigerant regulations requiring proper recovery of old R-22 refrigerant, which impacts replacement costs. Furthermore, all new installations must comply with the latest Title 24 energy efficiency standards, which mandate specific system efficiencies and may require a permit from the City of Walnut's Building & Safety Division. A reputable local contractor will handle all permitting.

4How do I choose a reliable HVAC contractor in the Walnut area?

Always verify the contractor holds a valid California C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) license and carries ample insurance. Seek out companies with strong local reputations in Walnut and nearby cities, as they understand our specific microclimate and common home styles. Check for detailed, written estimates and be wary of quotes given over the phone without a home evaluation.

5My system runs constantly on hot summer days. Is this normal for Walnut, or a sign of trouble?

It is normal for systems to have longer run cycles during Walnut's extreme heat waves, which can exceed 100°F. However, if it runs non-stop without adequately cooling your home, or if your energy bills are spiking disproportionately, it indicates a problem. Common local issues include refrigerant leaks, undersized/aging units, or insufficient attic insulation failing to keep up with the heat load.