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Heat pump vs furnace in NOLA
Posted on 8/14/18 at 5:44 am
Posted on 8/14/18 at 5:44 am
I’m renovating my house and getting a new HVAC unit Bc mine isn’t set up properly and is old and needs replacing. I’m replacing a single 6 ton unit and gas furnace in an old 2 story house that is 2400 sq feet with 1400 down and 1000 up. It has spray foam in the attic and new energy efficient windows but no wall isullation.
I’m going with 2 ac units and am getting quotes for heat pumps and furnaces. Which is the better option for heating my house during the winter? Heat pumps or furnaces?
I’m going with 2 ac units and am getting quotes for heat pumps and furnaces. Which is the better option for heating my house during the winter? Heat pumps or furnaces?
12
Posted on 8/14/18 at 5:49 am to Neauxla
No wall insulation? Electric and gas, or just electric won’t be cheap. But given what you have to work with, always take the heat pump.
Posted on 8/14/18 at 6:06 am to Neauxla
Considering the prices I’ve heard people are paying in the winter due to their gas furnace, I’m really happy with my heat pump.
Posted on 8/14/18 at 6:07 am to Neauxla
As someone who has had a heat pump for the last 30 years and you living in N.O., I'd go with the heat pump. My hp is actually cheaper to run in the summer than it is in the winter. If I lived much further north than I do I would not opt for the hp. They work fairly hard to keep your house warm in cold months but are very good at keeping your house cool in hot months and at a cheaper cost than normal a/c.
Posted on 8/14/18 at 7:04 am to Neauxla
Add wall insulation. It’s not very expensive. They drill a hole in wall, blow in the insulation, then plug the hole with a wooden countersunk plug. You do have to skim that with joint compound, put a little texture to match then repaint the wall. But, spending capital to insulate will result in less capital spent on AC tonnage and pay for itself (assuming you will be in the house for awhile)
Posted on 8/14/18 at 7:05 am to JawjaTigah
quote:Not that I'm aware of. Haven't opened any walls to check but its an 80 yr old brick house.
No wall insulation?
Posted on 8/14/18 at 7:08 am to Homesick Tiger
You do know that a heat pump cools the same way as a normal a/c system right? The only difference is the reversing valve and accumulator and some fancy sensors and switches for heat pump mode....
Posted on 8/14/18 at 8:12 am to Neauxla
Gas is really cheap here so most go gas. Heat pumps are like reverse AC units.
Plus when I was a kid Earnest used to make pro-gas anti-heat pump commercials and it stuck. Lol
Plus when I was a kid Earnest used to make pro-gas anti-heat pump commercials and it stuck. Lol
Posted on 8/14/18 at 8:20 am to Neauxla
It shouldn't take you much research to find that nat gas is cheap (for now) and would easily be your best option. If you were choosing between heat pump and propane then I'd go heat pump but the decision is much closer. Natural gas is cheap as shite. Use it.
Posted on 8/14/18 at 8:29 am to Chuker
quote:
Natural gas is cheap as shite. Use it.
How much are you paying per therm down there? Here in Atlanta its around 0.389 per. I remember it being MUCH more expensive when I was in Chicago as recently as Winter 2016-2017.
Posted on 8/14/18 at 8:36 am to Neauxla
quote:
Which is the better option for heating my house during the winter?
have an engineer friend that is renovating an old house, >100 years old, he was telling me about an ac system that he was going to install that sounded similar in theory to a tankless water heater system in that each room could be individually climate controlled instead of the entire, not very energy efficient house, being heated or cooled at the same time, maybe look into that?
Posted on 8/14/18 at 9:46 am to Neauxla
Invest in an inverter rotary compressor. They can be stepped up and down to meet the demand so theyre more energy efficient which also means they'll run longer and reduce cycling which is better for dehumidification. In the Gulf South most of the cooling in our homes is achieved through dehumidification not so much reducing the air temperature.
This post was edited on 8/14/18 at 9:47 am
Posted on 8/14/18 at 10:09 am to Neauxla
quote:
Which is the better option for heating my house during the winter? Heat pumps or furnaces?
NOLA isn't known for having brutally cold winters. The heat pump is a good option in a climate that rarely requires the need for heat much less backup heat (electric.) The problem with heat pumps is when the need for the electric heat strips kicks in and the need is long term. Example, last year when NOLA had 4 or 5 days of very low temps. Chances are the electric heat strips would have been the main heating source during that time thus driving up your electric bill. With that said, the example is fairly rare for NOLA.
You should be fine with heat pump or gas there. My last house in the DFW area had dual fuel systems....heat pumps with gas furnaces for backup heat. Best of both worlds. This is also an option for you however the costs of installation will be higher.
Posted on 8/14/18 at 10:36 am to Neauxla
We have a 3 Mitsubishi HVAC systems. Those few days, last year, where the Temps were below freezing definitely cost a bit more than gas would have, but the rest of the year pays for itself.
Posted on 8/14/18 at 10:59 am to JawjaTigah
I prefer the dry heat of gas. Most new construction is going with gas as well. Should tell you something about what is better.
Posted on 8/15/18 at 6:12 am to Popths
quote:Dry heat of gas? You mean my heat pump is pumping my house full of hot water? I think what you mean by “most new construction” is most only in your limited area. I’ve had both, and in general I prefer the heat pump. But then, I live in a warm climate in FL, not too different from SoLA.
dry heat of gas. Most new construction is going with gas as well. Should tell you something about what is better.
This post was edited on 8/15/18 at 6:16 am
Posted on 8/15/18 at 6:22 am to Napoleon
quote:
Plus when I was a kid Earnest used to make pro-gas anti-heat pump commercials and it stuck. Lo
It’s a pumping in summer and a pumping in the winter.
Posted on 8/15/18 at 6:31 am to Neauxla
I just installed a variable speed heat pump and it’s incredible. The #1 thing to do is get a good company to install it. The majority of units and especially duct systems aren’t installed to be the most efficient. I live in south central LA with hundreds of HVACs people and narrowed it down to only 2 possibilities withIn 30 miles. 97 degrees yesterday and you can put a thermometer anywhere in this house and it’s always the same temp.
Posted on 8/15/18 at 7:23 am to Neauxla
I currently have 3 properties, 2 had heat pump, one a traditional gas furnace, I HATE the pumps, have had more problems with such, so much so that on one property gas is not an option, I switched the pumps over to straight electric strip heat
Keep in mind that with a heat pump you are running your compressor year round, which means it will need replacing sooner
Keep in mind that with a heat pump you are running your compressor year round, which means it will need replacing sooner
Posted on 8/15/18 at 8:17 am to Tigerpaw123
quote:. Where do you live? I keep hearing about heat pump design having changed recently making them better? Is that a myth?
I currently have 3 properties, 2 had heat pump, one a traditional gas furnace, I HATE the pumps, have had more problems with such, so much so that on one property gas is not an option, I switched the pumps over to straight electric strip heat
Keep in mind that with a heat pump you are running your compressor year round, which means it will need replacing sooner
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