![]() Connect your wall mounted, slim-line ducted, cassette, and/or. Custom Mechanical Equipment relocated to Ponca City, OK in 2003. In an HVAC system with zones, increasing the zone damper size before the normal duct cavities can benefit the air flow to those. It gives you the flexibility to connect combination of different units to a single outdoor unit. The need for multizone units grew in popularity and in 1999 Dick, his son Bill, and grandson Erik opened the doors of Custom Mechanical Equipment in East Troy, WI. Home Ford Transit Custom AIR CONDITIONING & HEATING. Custom Comfort Air Conditioning & Heating has been providing quality HVAC repair and maintenance to Batesburg-Leesville, and surrounding areas since 1966. The success of this first venture proved the PMZ concept could provide a viable replacement for thousands of multizone units. Home Ford Transit Custom AIR CONDITIONING & HEATING A/C & HEATER CONTROLS. All of the guys that came to install our AC unit and ductwork were great guys and very good to. The first penthouse unit was field-assembled on the roof of a school in West Bend, WI in the summer of 1988. Thanks for trusting us to be your HVAC service provider. ![]() In 1986 Dick Peitz conceived an idea to replace existing, worn-out multizone units with multiple, highly efficient, independently controlled systems housed in a customized, rooftop penthouse structure. When energy costs escalated with the oil embargo of the late 70’s and early 80’s, traditional multizone systems became obsolete due to the high cost of mixing hot and cold air simultaneously. From the late 1960’s to the early 80’s “hot-deck cold-deck” multizone units were the system of choice for design engineers in most low-rise commercial and institutional buildings.
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