Customer Testimonials:

"National Metal Works installed a high efficiency furnace and air conditioner into my home. It's a great system at a good price". Jack R.
"We have National Metal Works perform all of our heating and airconditioning needs at our business and at our home". Tim F.





Our Products

Our Products

Indoor Air Quality

Energy Star








Home Comfort:

During milder weather, our two-stage furnace can reduce its output to more closely match your home’s comfort needs. On most days the furnace will run 75-80% of the time on low output, allowing the furnace to cycle less often and creating a more even and comfortable environment. When outdoor temperatures drop, your furnace will easily meet the demand, by running at a full 100% capacity, keeping your family warm and comfortable. Using continuous fan allows even temperatures throughout the home while continuously filtering the air.



The System Sentry™ control system helps assure safe, reliable and efficient operation by constantly monitoring and controlling the furnace. Should trouble occur, the System Sentry™ control system will provide service codes to a contractor to help quickly and accurately diagnose the problem. The time-tested stainless steel heat exchanger with a limited lifetime warranty* will provide years of reliable, trouble-free service.


Quiet Operation:

The cabinet is fully insulated, enhancing efficiency and assuring quiet operation during all seasons. A variable speed motor provides quiet, gradual blower start up and shut down. During “Fan On” operation, the variable speed blower reduces output by 50% for quiet, comfortable air movement.





Quality components provide worry-free reliability. You can count on Armstrong Air air conditioners and heat pumps for years of dependable comfort. The two-stage compressor raises the level of comfort, and lowers utility bills. Its revolutionary two-step design allows the compressor to operate at low speed most of the time for quieter, more consistent comfort and better humidity control.


Quiet Operation:

A blanket of insulation lets you relax in quiet comfort. Units are designed to provide maximum comfort while keeping sound at a minimum. A heavy-duty insulation blanket surrounding the compressor and a wire fan guard significantly reduce operating sound. Heat pumps use a discharge muffler, along with QuietShift™ technology during the defrost cycle, to control sound.


Energy Efficiency:

Conserves energy and protects the environment. Armstrong Air air conditioners and heat pumps exceed Energy Star � guidelines for energy efficiency and savings. With an efficiency rating of up to 18 SEER, these units can reduce your energy costs, compared to older, less efficient equipment.� UltraTech� Scroll compressor uses R410a refrigerant, which meets government standards for non-ozone-depleting appliances.



Honeywell Thermostats

As the world's leading manufacturer of thermostats, Honeywell cares about you and your comfort. Whether you are building a new home or upgrading your current heating and cooling equipment, Honeywell has the right thermostat for you.

  • Programmable Thermostats
  • Non-Programmable Thermostats

Honeywell Air Filters and Cleaners

According to the Environmental Protection Agency (EPA), indoor air can be 2-5 times more polluted than the air outdoors.  Improve the air quality in your home with a Honeywell Whole-House Air Cleaner.

  • Electronic Air Cleaners
  • Media Air Cleaners
  • HEPA Air Cleaners
  • Replacement Filters

Honeywell Humidification

Air in your home that is too dry can be uncomfortable to breathe, and can damage wood products like flooring, pianos, picture frames and cabinetry.  While on the reverse, air that has too much moisture can cause your home to feel sticky or damp, create condensation on windows and other cold surfaces, or cause air to smell musty.

  • Humidifiers
  • Dehumidfiers

Honeywell Ultraviolet Air Treatment

Honeywell's Ultraviolet (UV) Air Treatment Systems zap mold spores and certain live, airborne bacteria passing by the lamp to prevent them from being re-circulated into your home's air.  The shortwave lights, similar to those used in hospitals, laboratories and commercial kitchens, are easy to add to your existing heating and cooling system.  Plus, the long-life lamps are easy to replace when needed.