Ground-source or water-source heat pumps can be used in more extreme climates than air-source heat pumps, and customer satisfaction with the systems is very high. A new type of heat pump for residential systems is the absorption heat pump, also called a gas-fired heat pump.bsorption heat pumps use heat as their energy source, and can be driven with a wide variety of heat sources. For more information on these specific types of heat pumps, go to: 1  Air-Source Heat Pumps. 2  Ductless Mini-Split Heat Pumps. 3  Geothermal Heat Pumps.
Your first step to find treatment for a bulging disc is to try conservative methods of pain relief. Conservative methods of treatment refer to any treatment option that is not surgery. This includes everything from chiropractic care to epidurals to treat the pain caused by a bulging disc.
Bulging disc physical therapy. By Michael Perry, M.D. A bulging disc in the spine is usually treated with medications and physical therapy before more invasive medical procedures, such as epidural steroid injections or spinal surgery, are considered.