HVAC maintenance - Pure Air Adviser

Air Purifiers

Understanding MERV Ratings: When Are They Overkill?

air filter efficiency guidelines

When considering MERV ratings, understanding when high levels become overkill can save you energy, money, and HVAC wear—keep reading to learn more.

Pure Air Adviser Team
September 20, 2025

more carbon better filtration

Air Purifiers

Activated Carbon 101: Why ‘More Carbon’ Often Beats Fancy Features

Ongoing research shows that increasing activated carbon enhances filtration…

Pure Air Adviser Team
February 10, 2026

hepa filter grade comparison

Air Purifiers

H13 vs H14 HEPA Filters: What ‘Medical‑Grade’ Really Means

H13 versus H14 HEPA filters: how do their medical-grade standards impact safety and…

Pure Air Adviser Team
February 9, 2026

hepa types comparison explained

Air Purifiers

HEPA vs True HEPA vs HEPA‑Type: The Difference Most People Miss

Purely understanding HEPA, True HEPA, and HEPA‑Type filters can be confusing—discover…

Pure Air Adviser Team
February 9, 2026

match air purifier size

Tools & Calculators

Stop Buying the Wrong Size: Match CADR to Room Size in Minutes

Keen to ensure your air purifier cleans effectively? Discover how matching CADR to your…

Pure Air Adviser Team
February 8, 2026