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"Stupid" question - if there isn't a trap for the overflow pipe, what prevents bugs from getting into the house from there?

Thanks guys. I have the 90 degree elbow that the gutter guy cut off - it has "3/4" inch stamped on it. It has about 1/2 inch of pipe sticking out of it - so I can use a coupling (what size? 3/4?)...

I haven't gotten the a/c contractor out to my house to look at the piping (they are only available during my work hours and I haven't had a day off).

Anyway, I have another problem. I had a...

I had my Carrier central air installed a few months ago. But I was in the attic and noticed a couple of things.

They ran a pvc pipe out to the gutter for emergency overflow. But I see daylight...

Tim Fox,

I will - I was just trying to be a little resourceful before calling the guy back. I certainly don't want him to come back and light the pilot when I could have done it in 5 minutes and...

Another question - I went up to see the air handler and saw some type of filtration box at the end of the air handler with a plastic marker that showed it was installed in October (can select...

Other than replacing with copper, the copalum method is the best. Specially trained electricians use a crimp tool that exerts a tremendous amount of force to pigtail a copper wire to the aluminum...

I understand - circulators on - but boiler not firing up. Someone asked if I had a pilot light or if it is autoignition - what's the diff and what should I do in either situation? Thanks.

Okay - outside temp around 53, I tried turning on the baseboard heat today (2 zones, upstairs/downstairs). I turned on the upstairs stat, heard some water sounds in the baseboard pipes in the...

They sealed the back of the return with the insulated foil wrap that you would wrap ducts with. So I think I'm good for now - I can always add batted insulation in the return using the filter to...

One other question,

They installed an Infinity thermostat but they said it can't control the baseboard heat b/c it is not an Infinity furnace/boiler. So I need to have two thermostats on the wall...

They are finishing my install of a central A/C today (Carrier Infinity - 5 tons; 2-stage condensor; var speed A/H; one zone with return in upper hallway ceiling). Can they test it if the outside...

A two-stage/speed compressor. What % of full-capacity is the first stage operating at? What tonnage if it is a 5-ton system? Just curious whether I can operate at the first stage most of the time...

I know what you are saying - right ain't cheap.

Infinity is the two-speed condensor - more money;

Then, you guys are recommending either:

- two-three zones - mucho money;

Or two systems -...

FWIW - just central a/c. No heating through ductwork.

<Infinty Zoning is tops,but really works the best,with a two speed/stage.>

This is getting expensive. Adding zoning plus two-speed condensor is about 50% of original quote for single-stage non...

Actualy, the zone would be one for upstairs (includes addition, which is about half of the upstairs) and one zone for downstairs. Are you suggestion two zones for upstairs?

Split-level house - 3 levels. Current return over the staircase between middle and third level. Currently only one-zone. Added a 625 sq foot addition over the garage creating additional room...

If you had to pick only one, which would you choose (Central A/C only) -

a) having 2 zones on one system; or,
b) two-speed compressor (Carrier Infinity).

The way I understand it, the...

One more thing - contractor said variable speed AH, single-speed condensor.

Dash,

Temps seemed consistent for room to room and floor to floor. We usually don't close doors. But even if we did, doors have a 1 1/2 inch gap b/c we removed carpets.

Split level house - current return on the ceiling above the stairs that go from the middle level to the top level. There is also a ground level. I guess this location attempts to pull in air from...

Actually, I have baseboard heating - so I guess I don't have to adjust the dampers?

<and during cooling season, if you get the upstairs comfortable, the downstairs will be freezing. >

Contractor said he would use dampers? for the downstairs to achieve a more consistent...

Maybe I used the term "slow time" - he said he is trying to fill a gap and that he had a large job get canceled. So he has other jobs lined up after next week. Or maybe he has a bunch of crews on...

"Stupid question" - how does zoning provide more comfort?

Whether the air is blowing both upstairs and downstairs or just on one level, the temperature (and thus comfort) should be what the...

Not just price. 55 years in the business. Good rep around town. Authorized Carrier specialist. Proof of adequate insurance.

Another question - is a 30 inch x 30 inch return in central...

What is the cost recovery time for the additional cost for adding zoning to my split level house? One thermostat downstairs and one upstairs. The contractor said that the amount of years it would...

Is there a better time than now to save money off a new central HVAC install? Company is offering 7% off the original quote. Also, there is a rebate from Carrier $450 and a rebate from my utility...

I'm always adverse to drilling holes in my vinyl or wood windows. Also, don't you need to support the weight of these units with wood blocks or something? If it sounds like I never installed a...

Put on a new addition over house (650 sq feet) to existing 2,250 sq feet house. Does all that extra baseboard heat push the existing boiler to its limits? I turned it on so that I can test it...

Condensor air from outside - do you mean dual hose?

If I'm willing to live with the extra noise, slight eyesore, extra footprint and lower capacity, what's wrong with spending $500 x 2 for the two bedrooms that I will be spending the majority of time...

I just had my baseboard heating extended into my new addition - can I turn up the heat now (in the summer) to see if it works properly? I know there is a problem with opening the A/C in the cold -...

Installed a new 3M filtrete - I know some people hate these - just not sure why. No returns in the room - one central return in the ceiling above the stairs. I have a zip-wall dust barrier and...

I am having my wood floors resanded and refinished tomorrow. Wood contractor said to have the air conditioner going while the oil poly is drying so that it dries faster/better (less humidity?).
...

Many know that I am finishing building my addition over the garage. Additional 650 square feet - extended both the master bedroom and the kids room. What the HVAC guy did was take the supply ducts...

Doesn't the contractor provide prospective customers with their best references? If I call them, I'm sure I'll get rave reviews. There's got to be a better way - I'm going to sell this idea to...

If HD came to you and said that you'll be our primary HVAC contractor, you wouldn't take it? How does that make them a not so decent contractor?

I could be there but doesn't mean the guy won't drop anything or pull something heavy across the floor. In fact, I remember a furniture mover who I was watching pull my queen-sized bed across my...

Call me a neat freak or worry wort. My addition is almost complete - painting is being done as we speak - floors need to be sanded/poly'ed.

I could hold off on a new a/c in the attic but I am...

I somehow found out that a company I was considering is referred customers by Home Depot. Now, I figure that this company has to maintain a good level of service and try to not to get many...

A contractor came out to estimate for a new system. Said I have "fiberboard" ducts that has insultion-type material inside it and is most likely blowing it around the house and it is not the safest...

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One return is fine for two zones,IF it's inthe middle of the two zones,so that that it returns the "calling" zones air without affecting the temperature of the other zone.


That...

Anyone on whether one central return can be used on a zoned system?

Also, does variable speed come into play when only cooling one level?

Getting quotes for my 2,900 sq feet split level house. I just put a 650 sq feet addition on over the garage. The outside is 3.5 tons and air handler in attic is 5 tons. I thought I wanted two...

Split-level house - 2,900 sq feet. Essentially, street-level; middle-level (living room); and upper level (bedrooms). AC contractor came in to give me an estimate - said that installing a new unit...

What do you think about getting a company that does plumbing in addition to HVAC to install a central air system? Are they jack of all trades, master of none and should I go with a company that just...

Wire probably goes from main service panel up to attic and down to outside disconnect box. Then disconnect box is right next to the condensing unit isn't it?

Can an electrical wire (to power up an outside condensor) be run down the side of the house inside the same space with the lines that connect between the air handler and condesor? Don't know how to...