R.H. Witt Heating & Sheet Metal provides expert solutions to residential and commercial comfort in Glenview and across the North Shore and Northwest Suburbs.  Family owned and operated, we believe your home or office should be comfortable from corner to corner, top to bottom, all year round.  We not only deliver perfect temperature control, we offer the skilled services that ensure affordable, reliable, and sustainable performance from your heating and cooling system.  Whether you’re looking for design, installation, replacement, seasonal maintenance, or repair of all types of HVAC equipment, let our team of NATE-certified specialists optimize your rewards. We are extremely proud to have earned recognition as a Carrier Factory Authorized Dealer.  By consistently meeting strict standards of factory training, business practices, and customer approval ratings, we offer our customers a range of products, universally recognized as the gold standard of the HVAC industry.  From the most sophisticated heating and cooling technology on the market, to all of the bells and whistles that change daily life from a grind to a pleasure, we make sure you find the right system for your highest expectations.  

Trust R.H. Witt Heating & Sheet Metal with complete confidence.  We stand behind all of our work with a one year labor warranty and a lifetime workmanship warranty. When you call on R.H. Witt Heating & Sheet Metal, all of your heating and A/C service needs are answered with convenient scheduling, prompt arrival, and quick turnaround.  Foot coverings, floor coverings, and conscientious clean up at completion, are all part of a job well done.  hvac air conditioner freezing upWe specialize in Aeroseal duct sealing to effectively combat issues with air quality, discomfort, and excessive energy bills, and a full range of water heating services. car ac air filter locationFor HVAC installation projects that require metal ductwork, our full service sheet metal shop ensures top quality materials, no delays, and accurate customization.  carrier ac parts circuit board

For any heating, cooling, electric or water heating repair needs, our licensed technicians are always on-call, providing 24/7 Emergency Service across Glenview, Northbrook, Highland Park, Glencoe, Winnetka, and Wilmette, IL.  Established in 1966, R.H. Witt Heating & Sheet Metal is proven reliable and totally Dedicated To Your Comfort. Posted: Dec. 10, 2011 Q: Should I cover my air conditioner in the winter, and what is the proper way to cover it? A: Air conditioners should be covered in the winter, according to Bill Brink of Kettle Moraine Heating & A/C in Genesee Depot. While air conditioners typically should not be affected by outdoor conditions, “Covering your air conditioner is important for keeping leaves, pin wheels, and other debris out of the unit,” he said. If water drain holes in the bottom of the unit become plugged with debris, water won’t be able to drain, which can cause corrosion. “Keeping pooling water out of the unit also is good because the unit does use electricity — and we all know water and electricity don’t mix well,” he said.

There is a wrong way to cover an air conditioner. “As I drive through neighborhoods, I always see a couple homes that have a blue tarp wrapped tight around the A/C unit. This tarp will shield the inside of the unit from the elements… and create a beautiful environment for animals to live and thrive.” Brink’s most common “no cooling call” is due to mice chewing on and shorting out wires, transformers and fuses. “Only the top of the unit should be covered,” he explained. As for the type of cover, he recalled how his father always used to use a board with a brick — a handy, inexpensive solution. Brink recommended this for years until they found a company that makes covers specifically for protecting only the top and about 8 inches down the sides of the unit. “If you have a heat pump, don’t cover it,” Brink added. “Your heat pump heats your house in the winter and cannot be covered.” House & Home Archives Bernie Weiss, Century 21 Affiliated

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Moving from a single-family home, many condo owners aren’t used to sharing common walls with their neighbors.When the weather gets cooler, it's time to turn off the air conditioners. AC units need protection from leaves and other debris, though. Instead of an expensive cover, a piece of plywood does the trick. Over at Quicken Loans' Zing blog, they say the secret to protect your AC unit is to just cover the top:Get a large square of plywood and set it on top of the system. Put a brick or a large rock on top of that to keep it in place, and voila! This will help keep any falling leaves, snow or ice out of your system while preventing damage from snow and sleet.No covering the unit. You see, by covering the unit so tightly, you wind up trapping in a lot of the things you're trying to keep out, like moisture, condensation and any residual debris. Think about it this way: the unit was made to stay outside, so don't worry about protecting it from the outside.It may not look pretty, but it's inexpensive and easy to install.