Conflicting info about heat pumps in Georgia
KH 888
12 years ago
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tigerdunes
12 years agoKH 888
12 years agoRelated Discussions
confused about heat pumps
Comments (11)Hello, Heat pumps originally were for areas that did not have gas or propane available. A properly designed system, will not affect the heating or cooling by using a heat pump or gas. Gas produces a hotter air always. Electric is a cooler process. Heat pumps are cooler than electric. A heat pump is cheaper to operate than resistive strips. You need electric strips or gas for aux heat. Always. Depending on what is cheaper, a dual heat system gives an option as to what utility is used. Either gas or Electric. Once again, if the system is designed properly, the method of heating will be invisible. For most home designs that have multiple stories or larger than 2000 sqft, multiple systems is the best way to design to. Very few installers know how to design multiple zones that really work, with one system. Furthermore, In Texas, My part of H*ll, It is impossible to design a system for a larger house without using multiple airhandlers, to achieve the minimum standard, and have the system work. It is impossible using equipment made today. Consider radiant heat in the floors, for your base heat, and the heatpump for cold days. The heatpump will also provide cooling. IMO, SEER is unimportant. Most higher SEER systems will never save the additional cost to upgrade, before replacement time. If your PCB fails, you will never recoup the initial expense. Furthermore, using 410 systems causes more maintenance. Expensive maintenance. F22 may not be available, but there will always be a substitute freon available. Probably long after you are dead and buried.(407) Furthermore most HVAC guys do not understand SEER. They think they do, but are incorrect. Builders know even less about SEER. Variable speed IMO is hype. It has a purpose, but as a remedial system when trying to correct high static from a fpoor design. When a variable system runs at less than full speed, the capacity of the system is reduced. If your BTU needs are 36000, then a variable speed system at 5/8 speed will never produce 36000. It may produce 20000, but never 36000. If you need 36000, then anything less will cause the system to run longer, and cost more to operate. The system will then need more repairs, because it is running too long. Pay for a manual J. Design the system using a manual D. Design the system to have unique systems for each floor. You may share the basement with the 1st floor system, if the basement is underground, otherwise use a seperate system for the basement. Consider solar water preheating (hot water & heating) with a boiler. Hot water heat will probably be a better quality heat and the solar will help reduce utility costs. Look at foam insulatipon and the savings of energy costs. Foam will pay for it's self within a few years. Use double or triple insulated windows. Seal all possible air leaks, use insulated recessed lighting when appropiate....See MoreAnyone knows anything about WestingHouse Heat Pump
Comments (4)The parent Nortek had some issues. Westy is same as Tappan which I have. Outdoor unit rattles a bit but the stuff otherwise is fine. Mine is on a 95% furnace, dual fuel. Good warranties. Key is best installer....See MoreHydronic toe-kick heat gurggling, part 2. Conflict with 2 pumps
Comments (15)Kristi, While there are a list of items which should be corrected on your boiler system, the main one is air in the system. The Gurggling or running water sound is the air trapped in the system. If your toe kick heater was installed properly, there should be an access panel in the bottom of the cabinet where it was installed. Also there should have been a air relief vent installed at the high point in the hot water piping. The air vent can be several different types opened either by a screw driver, coin or special square head key. If there is no air vent you can also eliminate air by making sure there is adequate air pressure in the system (typically 30 psi) at the boiler. Then you have to increase the velocity of the water thru the piping where you want to eliminate the air. This maybe a problem with your system due to the piping arrangement. Pump cavitation is usually a swishing sound which is loudest at the pump. Your system was originally installed with a primary (Black) pumping system which is normally sized for the boiler capacity, meaning you should not need additional pumps. The Grundfos (Red) pump is considered a secondary pump, which was installed incorrectly. It appears the secondary pump is pulling supply heating water from the top of the boiler and also past the Temperature & Pressure relief valve (T&P valve). This arrangement guarantees that air will be supplied to the toe kick heater via the relief valve opening and cold water makeup. I would try eliminating the secondary pump and piping down to the relief valve and plug the tee at the relief, then tap into the hot water supply line creating a new zone. You would also have to install balancing valves for the existing zone and new zone. By doing this you can now force water through the toe kick heater utilizing the primary pump. I would also add an air vent to the toe kick heater. Additional things to consider correcting. In a boiler system there is a theoretical point of zero pressure. This point should be located just prior to the suction side of the pump. The suction side is a low pressure area where you should locate the "System" air eliminator (Air scoop) and expansion tank. This is also where you should be providing makeup water to the system. You should provide a tee in the bottom of the air eliminator and this is where the expansion tank and cold water makeup is teed in. You have an automatic makeup water valve which should be adjusted to always keep 30 psi in the system. Maintaining water pressure is the only way to keep air out of the system. Always bleed the air from the radiators too. Your auto air vent on the top of the air scoop looks crooked and may be hanging up too, may have to be replaced. There is a small schrader valve on top of the auto vent, try closing and opening and listen for air to come out, then make sure it is adjust slightly open to automatically bleed system air. The T&P valve relief pipe should be piped to within 6" of the floor to avoid splashing of extreamly hot water. If the relief pipe is cut at a 45 degree angle the water will flow out of the pipe more straight (Trade secret). You have a ball valve installed at the expanion tank - on the expansion pipe. This is very dangerous because if this valve where inadvertantly closed the only additional safety you have on the system is the T&P valve. If the T&P valve malfuctions too or is replace with an incorrect rating, the system can explode. If you leave this valve in place please put a tag on it stating "This valve is to remain open during system operation". Otherwise remove it, contractors put these here so when the expansion tank gives out (Leaks) you don't get sprayed while changing out the tank. Hope this all helps. Dan Martyn...See MoreSort-of OT but question about heat pump.
Comments (19)If you are in Pennsylvania, think about how many days a year the temp goes below 30. Why would you want to rely on an alternate heat system kicking in when you can have one consistent system? Heat pumps are terrible ideas, IMHO. They just can't keep up. I live in Va., and there are still homes/townhouses I've seen with heat pumps. Va has mild weather, but winters can get very cold (and have gotten colder the past several years). And I'll tell you, to most people, "heat pumps" on a home sale spec sheets is not a selling point--even if it is a Trane--they are installed as cheaper options; I have never seen anything claiming they were better utility wise or environmental wise (and I just replaced my non-heat pump heater with a regular Trane heater, so it's not like I'm being cheap!). It'd be worth your time and money to get another heating company rep in for an opinion and estimate....See Moreweedmeister
12 years agotigerdunes
12 years agoKH 888
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12 years agoKH 888
12 years agotigerdunes
12 years agoKH 888
12 years agotigerdunes
12 years agoKH 888
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12 years agoKH 888
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12 years agoKH 888
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12 years agoKH 888
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