Ezrio315

Heat pump can not increase the temperature quickly, it works slowly. But pool heaters are the best option to heat your swimming pool, even you can use solar pool heaters because these type of heaters are less costly and more effective. Pool heaters are better than the heat pumps. you should go for pool heaters.

Yes I do agree that all pools are not closed in winter, even many pool heaters are available in market like solar pool heaters, Gas pool heaters, electric pool heaters etc. Solar Pool Heaters can heat the swimming pool easily and quickly. It can rise the temperature from 14 to 15 degree easily. It is cost effective and works efficiently. Even in winter it increases the temperature and it is good for swimmers.

If you want to heat your pool quickly and easily than I suggest you to use a heat pump because it works effectively and less energy required. Cost of Solar panel are very high so you should have choose a heat pump even you can use solar pool heat pump to heat your pool. It is efficient and cost effective.

Yes there are two services, the first one is Service Heater and second one is Service System and yes you should check the thermostat too. Sta rite heaters are reliable. May be the problem of pressure switch.

Yes, I agree. You should install the drain because it prevents your pool from damage. I exactly do not know about that but I read somewhere that drain avoid the freezing of water and works effectively. So you can install the drain. After installing it you will definitely satisfy. Even you will enjoy the swimming in winter season.