Milwaukee HVAC FAQs

Common Heating and Cooling System QuestionsWaukesha Heating and Cooling Services

Our certified Milwaukee HVAC professionals provide superior heating and cooling services across Southeast Wisconsin. We offer HVAC installation, repairs and maintenance services for residential and commercial customers throughout Milwaukee and Waukesha Counties. We recently won the Top Choice Award for the best HVAC service in the Greater Milwaukee area. Become one of our highly satisfied customers - from 24 hour emergency services to annual maintenance of your equipment – rely on the Donovan & Jorgenson team of HVAC specialists.

With over 30 years of experience working in the HVAC industry, we have been asked many questions - some more frequently than others. We have compiled a few of the most commonly asked questions and answers below.

Contact the Milwaukee HVAC professionals to schedule an appointment today.

An Energy Star Rating is a US government rating given to products and practices which meet or exceed specific guidelines on energy consumption. Products with the Energy Star label effectively help to reduce greenhouse gas emissions and save the users money on their energy bills without any reasonable loss in performance. See Donovan & Jorgenson's Energy Star Products.

Your hose will build up with dirt, debris and sometimes algae over time. Flush it with a strong bleach water solution or replace the hose.

Condensation on your windows is usually caused by stagnant air. Keep air circulating with a furnace blower fan.

Your home is too dry. Add a household humidifier to fix the problem.

An annual tune-up for your furnace and air conditioning system will be sufficient. Your furnace equipment can be tuned up any time of year and does not have to be done before the start of the heating/cooling season, if you keep up with regular maintenance. Air conditioning tune-ups need to be performed when the outside temperature is above 60 degrees.

Invest in energy-efficient appliances - save money and help the environment.

  • Air conditioners up to 19 SEER efficiency rating
  • Furnaces up to 98% efficient, look for at least 95%
  • Geothermal heat pumps maintain the highest efficiency on the coldest winter night or the hottest summer days
  • Gas or electric dryer booster fans shorten drying times reduce energy usage and costs and avoid excessive wear and tear on your dryer
  • Programmable thermostats can save up to 20% on your heating costs
  • Area-by-area zoning – subdividing your house into different temperature zones can help conserve energy
  • Whole house humidifiers allow homeowners to reduce the thermostat setting 2-3 degrees

This question is best answered by a professional on a home visit. Many factors affect the accurate sizing of an HVAC unit including:

  • Size of the space
  • Orientation of the home
  • Ceiling height
  • Window efficiency
  • Insulation
  • Age of the home

If you notice your unit is low on Freon, either it was never filled properly or it is leaking. When your system loses refrigerant, the performance suffers. The system can freeze, and cause more problems down the line. Contact a certified Milwaukee HVAC professional from Donovan & Jorgenson.

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