Latest Discussions : HVAC

lentamburro

09:27AM | 04/07/07
Member Since: 04/06/07
1 lifetime posts
I am currently looking to replace the entire heating system in my house. The system that I have now is hot water baseboard heat. The boiler is around 28 years old and not in the best running condition. This past winter the circulating pump went out and the pipes that heat the room above the garage froze. The contractor who fixed the pump suggested that I replace it soon.

What I want to do is change the whole system over to central heat and air. This is a major job especially since the house will need to have ductwork though. I have a current bid to put in a dual system for each floor. The quote is to furnish and install a dual central heating and air conditioning system, ductwork, and all the materials necessary. My house is approximately 3800 sq ft total for both floors.

The breakdown is 120,000 btu heating 4 ¬Ω tons cooling for the first floor and the second is 80,000 heat and 2 ¬Ω cooling. The system would be independently controlled for better efficiency. They system they are suggesting is a York or Comfortmaker high efficiency system (93% afue heating) The total cost of the bid is for $11,000.00 which includes labor and materials.

My question is does the cost sound correct for the size of the job?

fugazi48

06:05AM | 04/09/07
Member Since: 03/08/06
192 lifetime posts
If I wasn't installing AC I would Keep the boiler system. Check the Energystar website.

http://www.energystar.gov/index.cfm?

c=heat_cool.pr_checklist_consumers I believe that a boiler system is much more efficient than a forced air system. We have baseboard heat and air conditioning on separate systems. your electric bill is never over $130 in any season.

Adding Gas or electric heat the the A/C may be cheaper in the short run (if you are going to get A/C anyway), but won't necessarly save you on heating costs. Also, perceived warmth is greater from radiant heat instead of forced air.

You may have to do some math on yearly costs vs installation costs.


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