|
US4672818A
|
|
Three-member plastic rooftop air conditioner housing
|
|
US4667702A
|
|
Trim-to-length duct
|
|
US4633768A
|
|
Supplemental ventilation apparatus for manufactured housing
|
|
CA1216482A
|
|
Water vapor-condensing secondary heat exchanger
|
|
US4611622A
|
|
Drain for condensate from flue gas
|
|
US4478206A
|
|
Furnace having water vapor-condensing secondary heat exchanger
|
|
US4481411A
|
|
Electrical heater rack assembly with stand-off insulators
|
|
JPS59122846A
|
|
Heater cabinet
|
|
US4467179A
|
|
Portable electric baseboard heater having an integral handle
|
|
US4337823A
|
|
Electric furnace for mobile and modular homes
|
|
US4280332A
|
|
Defrost control monitoring fan motor temperature rise
|
|
US4236381A
|
|
Suction-liquid heat exchanger having accumulator and receiver
|
|
US4097721A
|
|
Multiple unit electrical baseboard heater
|
|
CA1040427A
|
|
Air conditioner unit having compartment provisions for access and motor cooling
|
|
US4035610A
|
|
Furnace cabinet having integral heater and blower assemblies
|
|
US4009895A
|
|
Knock-down duct collar
|
|
CA1031057A
|
|
Installation of fluid temperature-sensing switches
|
|
US3889987A
|
|
Sheet metal {37 Y{38 {0 adaptor for ducts
|
|
US3909097A
|
|
Bus bar terminal means for pairs of circuit-braking elements
|
|
US3908510A
|
|
Adjustable depth router
|
