The Best HVAC in Washington, MO

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

#1

Four Seasons Heating & Cooling

4.8
(127 reviews)
Verified

A full-service HVAC contractor specializing in high-efficiency system installations, 24/7 emergency repairs, and comprehensive maintenance plans. Known for expertise in handling Washington's humid summers and cold winters with tailored climate solutions. They are a Carrier Factory Authorized Dealer and work with top-tier equipment.

1505 Front Street, Washington, MO 63090

Specialties & Features

24/7 Emergency Service
High-Efficiency HVAC Installation
Carrier Systems Expert
Precision Ductwork Design
Indoor Air Quality Solutions

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Merkel Heating & Cooling

4.6
(94 reviews)
Verified

A family-owned and operated HVAC company with deep roots in the community. They provide honest, reliable service for all makes and models, with a strong focus on furnace repair and AC maintenance. Their technicians are NATE-certified and particularly skilled in solving complex heating issues common during Missouri's freezing winters.

822 East 5th Street, Washington, MO 63090

Specialties & Features

Furnace Repair & Installation
AC Maintenance Plans
Honest Diagnostics & Repairs
Local Family-Owned Business
Boiler Services

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#3

Gateway Climate Control

4.5
(78 reviews)
Verified

Specializes in energy-efficient HVAC system upgrades and modern smart thermostat integration. They are a Lennox Premier Dealer and excel at installing systems that reduce energy costs for homeowners, a significant concern given the area's temperature extremes. They also offer detailed duct evaluation and sealing services.

401 Jefferson Street, Washington, MO 63090

Specialties & Features

Energy Efficiency Audits & Upgrades
Lennox HVAC Systems
Duct Testing & Sealing
Wi-Fi Thermostat Installation
Geothermal System Consultation

Business Information

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

Why These Are the Top HVAC Contractors in Washington

Washington, MO, experiences a humid continental climate with hot, humid summers (avg. high 89°F) and cold winters (avg. low 22°F), creating a high year-round demand for reliable HVAC services. The seasonal swing places significant strain on both heating and cooling systems, making semi-annual maintenance and robust emergency repair services critical for homeowners. The market is competitive with several long-standing local providers who understand the specific needs of the region, such as managing humidity in summer and ensuring furnace reliability during cold snaps. Energy efficiency is a growing priority due to fluctuating utility costs.

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 Washington regulations and climate

Frequently Asked Questions About HVAC in Washington

Get answers to common questions about hvac services in Washington, Missouri.

1What is the best time of year to schedule HVAC maintenance in Washington, MO?

For our climate, the ideal times are early spring (March-April) before the humid summer and early fall (September-October) before winter. This ensures your air conditioner is ready for Missouri's hot, humid summers and your furnace is prepared for cold spells that can dip below freezing. Scheduling during these shoulder seasons also means better availability and potentially lower promotional rates from local HVAC companies.

2How much should I expect to pay for a new air conditioner installation in Washington?

For a standard, properly sized central air conditioning system for a typical Washington home, homeowners can expect a range of $4,500 to $8,500+, with most installations averaging between $5,500 and $7,500. The final cost depends on your home's size, the system's efficiency (SEER rating), and the complexity of the installation, like ductwork modifications. Given our humid summers, investing in a system with good dehumidification capabilities is often recommended.

3Are there any local regulations or rebates for HVAC upgrades in Missouri that I should know about?

While Washington itself may not have specific city codes beyond standard building permits for major replacements, Missouri offers sales tax exemptions on Energy Star certified HVAC equipment. Furthermore, local utilities like Ameren Missouri often provide rebates for installing high-efficiency heat pumps or air conditioners, and federal tax credits may apply. Always ask your local HVAC contractor about current incentives, as they change regularly.

4What should I look for when choosing an HVAC contractor in the Washington area?

Prioritize local, licensed, and insured contractors with strong community reputations. Verify they hold a current Missouri HVAC license and ask for proof of liability insurance. Given our older housing stock in areas like downtown Washington, choose a company experienced in servicing both newer and older homes, as they will be better equipped to handle unique challenges like updating older duct systems or fitting equipment into tight historic home spaces.

5My furnace is old but still works. Should I wait for it to fail before replacing it?

Proactive replacement is often wiser, especially with our cold Missouri winters. An unexpected failure during a January cold snap can be dangerous and lead to emergency service premiums. Replacing a 15+ year old system before it fails allows you to plan the investment, take advantage of off-season discounts, and upgrade to a more efficient model that will significantly lower your heating bills and improve home comfort.