York Gas Furnace

If you are ready to purchase a new furnace call AC Plumbing, Heating & Air Conditioning. We proudly serve the South Bay area, offering free estimates on installations & affordable heating solutions.

Affinity™ Series

Affinity™ Series gas furnaces offer higher energy efficiency than standard models – plus the innovative ClimaTrak™ Comfort System creates an operating cycle that works best for your locale.

Raise your comfort level with our most advanced gas furnace technology.

  • Modulating burner design continuously adjusts heating level in small increments to match the degree of comfort you need.
  • Variable-speed ECM fan motor provides quiet, efficient air circulation.
  • Get a system tailored to your climate with integrated ClimaTrak™ Comfort System.

Save energy with a high-efficiency furnace.

  • Models available with up to 98% AFUE efficiency provide more heat for less money.
  • Use the Affinity™ Wi-Fi Residential Communicating Control for greater control, more even temperatures and energy savings.

Feel confident with built-in diagnostics and shut-off controls.

  • Count on rugged steel heat exchangers backed by industry-leading limited warranty.
  • Feel extra safe with 100% shut-off main gas valve.
  • Complete Assurance™ Warranty Pledge: If the heat exchanger fails within 10 years of installation, we provide optional furnace replacement in lieu of heat exchanger equipment.

LX Series

LX Series furnaces fit your needs with efficient models that reduce your utility bills. And a compact 33-inch cabinet provides more heating performance in less space.

Feel more comfortable with our most compact gas furnace design.

  • Enjoy quiet, reliable fan-motor technology for comfortable air circulation.
  • Fits comfortably in your home with compact 33-inch cabinet profile.


Save energy with a high-efficiency model.

  • Save with efficiencies as high as 96% AFUE for lower utility bills.
  • Models available with high-efficiency condensing designs for through-the-wall venting or standard efficiency for natural venting with chimneys.


Feel confident with built-in diagnostics and shut-off controls.

  • Count on rugged steel heat exchangers backed by industry-leading limited warranty.
  • Complete Assurance™ Warranty Pledge: If the heat exchanger fails within 5 years of installation, we provide optional furnace replacement in lieu of heat exchanger equipment.
york furnace

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Modulating Flames & Condensing Technology

In the past, a furnace flame was either all of the way on or off. Then two-stage heating was introduced which allowed a flame to burn at half the intensity which saved money on gas bills. Now, modulating flames can adjust at micro increments for optimal efficiency. Condensing technology utilizes heat energy that was lost in the past.

Variable Speed Fan Motors
If you have a furnace in a closet near a living area, you know how loud they can be. Well guess what? With a variable speed ECM fan motor, those days are over. Variable speed fans not only raise the comfort level in your home, but they’re whisper quiet, literally transforming the heating and air conditioning experience (remember, the fan motor is used with the A/C in the summer).

Heating Efficiency
The efficiency of a furnace is measured with an Annual Fuel Utilization Efficiency (AFUE) rating. The AFUE shows the percentage of fossil fuel that is actually utilized as heat energy. But keep in mind that even if you purchase a furnace with an AFUE of 98%, overall heating efficiency is affected by much more.

AC Plumbing, Heating & Air Conditioning is a trusted South Bay furnace installation company.