For Economical, Efficient Heating and Cooling, Look to Gee & Missler Heating & Air Conditioning in Wyandotte.

Gee & Missler Heating & Air Conditioning in Wyandotte can help you keep your wallet and your home comfortable with a Lennox® Merit® Series packaged system. These all-in-one heating and cooling systems deliver what you expect from Lennox: efficiency, comfort and durability. And, their energy efficiency ratings of 13.00 SEER*/7.70 HSPF**/80% AFUE*** can help you keep your utility costs under control.

13GEP Packaged Gas/Electric Unit

Relish steady, comfortable temperatures all year long with the 13GEP packaged unit. This combination system utilizes gas heating in the colder months and electric cooling in the summer. The features of the 13GEP speak for themselves:

  • Efficiency ratings of 13.00 SEER* and 80% AFUE* offer noteworthy efficiency and comfort
  • Tubular heat exchanger for reliable heat transfer and remarkable airflow control
  • Internally mounted outdoor fan reduces operating soundand vibration
  • Dependable compressor accurately regulates air temperature and humidity
  • Easy-access control panel
  • Corrosion-resistant, pre-painted steel cabinet is built to last
  • 20-Year Limited Warranty on heat exchanger
  • 5-Year Limited Warranty on covered parts (this product may be eligible for a valuable 10-Year Limited Extended Warranty coverage)

13GEP Packaged Gas/Electric Unit
Efficiency Rating (SEER): 13
AFUE Rating: 80
Price Guide: $

13HPP Packaged Heat Pump

By taking heat from indoor air and moving it outdoors, the 13HPP package heat pump keeps your home cool and comfortable all summer. When you’re ready to heat your home, the process is reversed. Homes in warmer regions benefit from this packaged unit. Like all Lennox systems, the 13HPP offers a number of features and benefits.

  • Efficiency ratings of 13.00 SEER* and 7.70 HSPF** deliver noteworthy efficiency and comfort
  • Internally mounted outdoor fan cuts down operating soundand vibration
  • Dependable compressor precisely controls air temperature and humidity
  • Easy-access control panel
  • Corrosion-resistant, pre-painted steel cabinet is built to last
  • 5-Year Limited Warranty on covered components (this product may be eligible for a valuable 10-Year Limited Extended Warranty coverage)

13HPP Packaged Heat Pump
Efficiency Rating (SEER): 13
HSPF Rating: 7.7
Price Guide: $

If your packaged unit needs maintenance or if you think a Merit series packaged system would be a solution for your home, call Gee & Missler Heating & Air Conditioning in Wyandotte at 734-284-1224. Or, schedule your appointment online so we can help you.


* SEER, or Seasonal Energy Efficiency Ratio, measures the cooling efficiency of your air conditioner or heat pump. A higher SEER rating means greater energy efficiency and more savings for you and the environment.

** HSPF, or Heating Seasonal Performance Factor, measures the heating efficiency of your heat pump. A higher HSPF rating means greater energy efficiency, more savings and is better for the environment.

*** Annual Fuel Utilization Efficiency (AFUE) measures how efficient the appliance is in converting its fuel’s energy into heat over the course of a year.