Frequently Asked Questions About HVAC & Plumbing
Have questions about HVAC & Plumbing repairs, maintenance, common problems, or installation costs? Explore helpful answers from Johnson Heating, Cooling, and Plumbing to understand common home service issues, available solutions, and what to expect when scheduling professional service.
TopicIndoor Air Quality Services
Indoor Air Quality Services
3 questions
Where should HVAC UV light be installed near the evaporator coil?
HVAC UV lights for coil treatment should be mounted in the supply plenum just downstream of the evaporator coil so the lamp has a clear line of sight to the coil and drain pan. This placement targets the damp surfaces where microbes tend to grow and keeps the light from shining into occupied spaces. We install in-duct UV for homes in the Beech Grove area and position lamps for full surface coverage while leaving…
Can an air purifier be repaired if the UV bulb stops working?
Yes, most UV air purifiers can be repaired when the UV bulb stops working. In many cases the fix is routine maintenance because UV lamps are consumable parts with a set service life. If the issue isn’t the lamp, a technician will evaluate power components and safety switches to decide if repair or replacement is smarter for the unit’s age and condition. Our team regularly services whole‑home UV systems in the local…
How much does it cost to install UV light in an HVAC system?
The cost to install a UV light in an HVAC system is finalized after an in‑home evaluation and free quote because equipment type and placement vary by home and ductwork. Prices shift most based on choosing a coil‑surface UV lamp versus an in‑duct UVC air purifier and how easily we can access ducts and power. For air disinfection, technicians typically place UVC units in the return duct before the filter, and we…
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