What Are the Most Common Types of Air Filters Available for Residential Use?
The most common types of residential air filters are fiberglass (MERV 1–4, cheapest, basic), pleated (MERV 5–13, the sweet spot for most…
Read AnswerFrequently Asked Questions
Straight answers to the questions our customers ask most — covering plumbing, heating, cooling, and electrical service across our service area.
How Often Should I Change My Air Filter?
Change your HVAC air filter every 1 to 3 months — every month for 1-inch filters in homes with pets or allergies,…
Read AnswerWhat Are the Benefits of Using High Quality Air Filters in My Home?
High-quality air filters deliver cleaner indoor air, fewer allergens, reduced dust on surfaces, better HVAC efficiency, longer equipment life, and protection of…
Read AnswerHow Can I Tell If the UV Light in My Air Filter Is Functioning Properly?
You can tell a UV light in your HVAC system is working by visible signs (most have an indicator LED or viewing…
Read AnswerAre UV Air Filters More Effective When Combined with Other Types of Air Filtration Such as Hepa Filters?
Yes — UV air filters are significantly more effective when paired with high-MERV media or HEPA filters. UV neutralizes living microorganisms (mold,…
Read AnswerDoes Mainstream Offer Maintenance Services for UV Air Filters?
Yes — Mainstream offers ongoing maintenance for UV air filters, including bulb replacement, ballast inspection, fixture cleaning, and verification of output. UV-C…
Read AnswerHow Often Should I Replace the UV Bulb in My Air Filter to Maintain Optimal Performance?
Replace the UV bulb in your air filter once a year. UV-C bulbs continue to glow long after their germicidal output has…
Read AnswerAre There Any Potential Health Risks Associated with Using UV Air Filters in Residential Settings?
UV air filters installed inside HVAC equipment are safe in residential settings because the UV-C light is fully contained within the metal…
Read AnswerCan Mainstream Install a UV Air Filter as Part of My HVAC System?
Yes — Mainstream installs UV air filters into existing HVAC systems as part of an indoor air quality upgrade. The most effective…
Read AnswerWill Mainstream Provide Recommendations for Improving My Homes Indoor Air Quality Based on the Test Results?
Yes — after testing your home’s indoor air quality, Mainstream provides specific, prioritized recommendations to improve any areas that fall short. Recommendations…
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