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HVAC cleaning/replacement help needed

Posted by EAM44 (My Page) on
Sat, Jul 21, 12 at 13:09

Hi All,

I'm moving from CT to Ohio, back into the house I grew up in. The house has been full of furniture and rugs, but empty of people for the last two years. I have kept the furnace at 50 over the winter, and turned everything off in summer, opening windows upstairs for ventilation.

The house is dusty. I'm having the rugs removed and cleaned, and I'll be dusting the floors and walls myself. I won't use the AC until the cleaning is completed.

Here are my questions:
1. Should I bother with duct cleaning? I think I want it, but don't have mold or pests that I know about, so is it a waste of money?

2. Energy audit - is it just going to tell me what I already know (windows are single pane, furnace is old) or is there something to be gained by this?

3. It's expensive to heat that house above 50, and I am planning to eventually replace HVAC. Any efficient recommendations that won't cause and arm and both legs?

4. How do I pick an HVAC contractor? I know who my parents used, and his son now runs the company.

5. Are HVAC systems like other appliances (i.e. go with name brands, but everyone has had good and bad experiences with every system) or are there brands known for reliability that are really better than others?

House and climate details:
The average high temp in OH in July is 83, and low in January is 22 (with extremes of 104 and -20). We get just under 4" precipitation per month and are near Lake Erie, so it's pretty humid all year round.

The house was built in 1964, is around 2500 sf, basement, two living floors, and attic, and has central air (electric) and a forced air gas furnace (Lennox) that are 25 -30 yrs old and still work. The humidifier died about 5 years ago and hasn't been replaced (but I need one for sure - very dry in the house in winter). I change the air filter every year and have had yearly professional maintenance - except for last year.

Thanks for your recommendations. I feel a huge responsibility taking care of this house, and I'm not sure what I'm doing.


Follow-Up Postings:

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RE: HVAC cleaning/replacement help needed

Here are my comments to your questions:

1. Unless you have had a mold problem or something living in the duct work, then cleaning is unnecessary.

2. Energy audits are a good thing. You may learn a few things of where you have leakage or insufficient insulation.

3. If you are not living in the house the thermostat at 50 is fine. Moving it up to 55 is not a big increase in cost.

4. Ask friends which HVAC contractor they have used. Go to the web sites of the major brands and look for authorized factory dealers. You have to interview contractors to find a good one. It is not an easy process.

5. The major brands and their sister companies are Carrier/Bryant, Trane/American Standard, and Rheem/Rudd. All brands have had reliability problems at some point in time. Many reliability problems can be traced back to a bad installation.


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RE: HVAC cleaning/replacement help needed

Also suggest you contact local gas and electric utility companies and find out if they have any consumer rebate or special usage rate programs, and what exactly is required to qualify. And if there is a deadline. Also see if your state offers any green rebates or sales tax free purchase periods.

For example, when we replaced our system 2 years ago, the electric utility was offering a rebate for switching to a heat pump, and also a lower winter electric rate. Often these programs have specific requirements about dealers needing to be enrolled in the program, equipment having to be a particular efficiency level,and often the funding is in place for either particular dates only, or first come first serve until it is all spent.

And our state offers a week of sales tax free purchases in April to coincide with Earth Day. Again, there are specific requirements and some paperwork that is needed.


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