...electric-resistance space heating is better from a resource conservation point of view may soon be moot because oT the shortage of natural gas and petroleum (both developed...widespread use has been high maintenance cost associated 667 with equipment failure. Several manufacturers of heat pumps have carried out extensive programs...

...in terms of initial cost when lied in conjunction with central air conditioning; the basic equipment air handling system are the same for both heating and cooling. A major diluent to their widespread use has been high maintenance cost assort with equipment failure. Several...

...of delivered heat, as that required for refueling the home Heat pumps are not particularly expensive when installed in conjunction with central air conditioning;...equipment and air handling system are the same for both he at ing and cooling. Major impediments to their widespread use in private homes have been high maintenance...

...installed in conjunction with central air conditioning; the basic equipment and air handling systems are the same for both heating and cooling. A major...extensive programs to improve component reliability. If these programs are successful, acceptance by homeowners should improve. Table AIII-14 PERCENTAGE...

...essentially the same fuel efficiency as that of a home furnace.* Heat pumps are not initially expensive when installed in conjunction with central air conditioning; the basic equipment and air handling systems are the same for both heating and cooling. A major impediment to their widespread use has been...

...essentially the same fuel efficiency as that of a home furnace.* Heat pumps are not initially expensive when installed in conjunction with central air conditioning; the basic equipment and air handling systems are the same for both heating and cooling. A major impediment to their widespread use has been...

...same as that required for refueling the home furnace . ' ' Heat pumps are not particularly expensive when installed in conjunction with central air conditioning;...system are the same for both heating and cooling. Major impediments to their widespread use in private homes have been high maintenance costs associated...

...refueling the home furnace . l 6 Heat pumps are not particularly expensive when installed in conj unction with central air conditioning; the basic equipment and air handling system are the s ame for both he at ing and cooling. Major impediments to their widespread use in private homes have...