Want to replace our old furnace with heat/air(split unit)we think.
Please help us with any information possible as I haven't found anyone or any info. on these units to help except one guy wanted 4800 dollars to put one in for me. We are on fixed income. please Help. Thanks! Rachel
Re: want to replace our old furnace with heat/air(split...
Well i don't know you live but i live in iowa and the here you still will need a furnace because your air to air heat pump is only good to about 20 deg. that is where i have mine set any colder out side and i cant pick up enough heat from the outside to heat my house. but what i did was just put the heat pump on my old furnace so it will run on the heatpump till the temp get to cold then goes to the gas furnace this way you should cut cost down by using the old furnace for the blower and just replace the indoor coil and the condenser outside. they have t-stats now that will do all the brain work for the heat pump (switching heat sources) also you might try to find someone who installs goodman i have installed quiet a few of them and they are a good value for the price
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Hi, if you have no power to the stat, go to the furnace if this is a split system. Depending on the year you have, this unit may have the main circuit board with a 3 to 5 amp control fuse plugged into it. If this is what you have, check this fuse, it is the same as the fuses in your car. If you don't have this circuit board, locate the transformer where your thermostat wires come in and check for power at both the 120 volt primary side ( power in ) and see if you have 24 volts coming out of the secondary side of it. If no power in, check the circuit breaker to the furnace. If there is power in and nothing out, the transformer is gone. Check close for any breaks in the stat wires at the furnace also. I may need to have the model and serial numbers, and if its a split gas fired or a heat-pump unit if this information does not apply to your unit. Let me know. Shastalaker7 A/C, & Heating Contractor.
your unit may be have possible leak on piping then refrigerant exit or had leakage of refigerant try to locate leak then braze it then recharge a correct amoun of refrigeran. if you use heater try to check heating element if ok by supplying voltage or used ommeter to test continuity.
Hi, yes you can use the same thermostat if you are replacing the unit that has the same sequence of operation. What I mean is, if the old unit is a gas fired furnace and outdoor condenser split system for the a/c you can use the same controls, or if its a package unit. Now, if you are installing a heat-pump unit in place of a gas fired central unit, you will need to pull more stat wire and buy a heat-pump thermostat to make it run. Shastalaker7 A/C, Heating Contractor
Hi, If this is a split system, look in the indoor unit to see if it is at the top, or bottom. This depends on if its a down flow or up flow unit. Sometimes they are in the hallway ceiling behind a grill that drops down. Walk through your home and look up for a grill. Look near the furnace down low also, they will put them in lots of places, but usually near the furnace. If no grill any where, it will have to go inside above or below the blower motor. You should see the opening where it lays with the arrow on the filter pointing in the direction of the air flow. If you have no grill, and there is not one in the furnace, you need to put one where the air is coming back to the unit inside to catch the dust. Please let me know if you found it and please rate me on this as I know you will be kind. Sincerely, Shastalaker7 A/C, & Heating Contractor
Hi, to tell if your unit is a heat-pump or not, if the indoor unit is not gas fired, it is a split system heat pump. If it uses gas or propane gas, its a split system gas/elect unit. Look at your thermostat also. It should have aux heat, emergency heat on it also. Maybe not both, but you will know if you have a heat pump. Please don't forget to rate me. Please be kind, as I know you will. Just remember, no gas, its a heat pump, gas fired furnace indoors, its not a heat pump. Sincerely, Shastalaker7 A/C, Heating, & Refrigeration Contractor.
Info is somewhat incomplete, but here is what I think.
If you just want to replace the compressor, that amount should cover it or at least be real close. But, if the unit is, say, over 10-12 years old, you may want to replace the entire unit. The issue then becomes very expensive. The new laws now make it a requirement for manufacturers to produce nothing under a 13 SEER rating. This has really driven up the cost. Plus, you may have to replace the indoor coil to match the new outdoor unit in almost every case. Then you have to look at the air handle to see if you have enough blower to move the correct amount of air over the new coil. If not, then a new furnace and blower is required.
I know this sounds like way too much information but, you asked and I feel you need the complete picture. I'd get it checked by a tech and ask for 2 senerios, repair exsisting, or replace and upgrade system.
Good Luck and hope this helps.
And congrats on your new home. Hope you enjoy it.
What part of the country?
How many square feet in the house?
Single pane glass?
Many factors should be considered by a professional.
However if the old unit worked OK, a new 80% 70,000 unit will most likeley replace a 24 year old 60-70% 75,000 unit.
Absolutely, can you give me the following info?
Do you have ducting? If so how many vents? How many return vents, and what size? How many square feet do you have to heat and cool? Are you replacing an old unit? If so whats the old units model number and make? Are you buying the Heat Pump, gas furnace, electric furnace, or dual fuel, or Air conditioner?
Thanks a lot of questions, but extremely important in sizing your home.