Mainline® HVAC | Heating and Cooling Products
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At Mainline®, we offer proven technology in each of our high-performing products, along with comprehensive warranties and excellent support. We take pride in putting people and results above all else. Our residential and commercial HVAC products meet a wide range of market needs.

POPULAR PRODUCTS

Residential Air Conditioners

Air Conditioners

Gas Furnaces

Gas Furnaces

Heat Pumps

Heat Pumps

Air Handlers

Air Handlers

HVAC Family
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At Mainline, our goal is to provide high-quality heating and cooling systems that keep you in total control of your home’s comfort. So, relax and enjoy that just right feeling with Mainline.

You and your family deserve reliable and efficient cooling and heat.

You and your family deserve reliable and efficient cooling and heat.

Mainline® is your connection to all the right products to keep everyone comfortable.

Whether it’s easy-service features or a variety of capabilities, you can count on MAINLINE® to provide a reliable comfort system for any customer.

WHY CHOOSE MAINLINE?

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Great Value

Good, Better, Best Efficiency levels available with enhanced features.

Superior Quality

Recognized, industry leading components with 100% Run Test on all products. Reduced noise on gas furnaces – sealed doors on 80’s & 90’s reduces noise. Less than 2% leakage

Exceptional Warranty (Strong or Outstanding)

10 year parts warranty on Mainline Elite Products (Product registration required). See warranty document for full details.

Advanced Technology

7 Segment LED's that improve diagnostics for better service and fewer nuisance calls. QR Codes provide instant system data for improved service accuracy. All Gas Products utilize the “spark ignition system”, superior in reliability and longevity.

Quality Manufacturing

Hemmed Edges that are aesthetically pleasing, smooth appearance means no sharp edges. Fully complies with ISO 9000 Standards. By 2025, Rheem® will reduce greenhouse gas emissions by 50% and achieve zero waste to landfill in its global manufacturing operations.

Excellent Support

Local, national & factory technical, sales and replacement parts support.

Nationwide Service

Mainline HVAC products can be purchased at many convenient locations throughout the United States.

Reliable Parts

Proven technology. Scroll Compressor with its flexible application minimizes install costs for homeowners and maximizes flexibility for contractors. Powder coat finish for long lasting professional finish. No sharp edges. Rust resistant screws confirmed through 1500-hour salt spray testing. Composite Base Pan which dampens sound, secures grille, eliminates corrosion and reduces number of fasteners needed. Means for hand placement for easy handling with no sharp edges.

Coolest Limited Warranty Badge

STAY COOL WITH THE ASSURANCE OF OUR EXCELLENT LIMITED WARRANTY COVERAGE.

Complete warranty details are available for each product on this site. To view warranty certificate for a product, simply follow the link found on each product page.

Contact Us

CONTACT US

Do you need a repair or new unit? Search for one of our specialists in your area.

Financing

CONSUMER FINANCING

Make your next project a reality with easy and flexible financing options.

Replacement Parts

REPLACEMENT PARTS

Find what you need to keep your Mainline equipment working perfectly.