Product Price Coverage Area (sq ft) Air Changes per Hour (times/hour) Filter Types Max Particle Size Capture (PM) Energy Consumption (watts) Noise Level (dB)
RGF REME HALO In-Duct Air Purifier
US
£565.89 Washable ceramic catalyst; self-cleaning carbon fiber brushes 65

The REME HALO is a whole-home, in-duct air purifier that uses ionization and hydro-peroxide plasma technology to target particulates, microbes, gases, odors, and allergens throughout an HVAC system. Its washable ceramic catalyst and self-cleaning carbon fiber brushes reduce reliance on disposable purifier filters, making it suitable for homes with pets, allergies, or whole-house air-quality concerns.

★ Ideal for

It offers good whole-house value for buyers who want one HVAC-integrated system with 65-watt operation, washable components, and coverage throughout the home rather than purchasing multiple portable units.

Lennox PureAir S Whole-Home Air Purification System
US
£1477.96 MERV-16 Carbon Clean 16 media filter; PureAir PCO cartridge; UVA lamp 150

The Lennox PureAir S is a whole-home HVAC air purification system combining MERV-16 filtration, a carbon-treated media filter, a PCO cartridge, and a UVA lamp. It captures more than 95% of particles down to 0.3 microns, helps address odors and chemical vapors, reduces ozone, and provides filter and lamp status monitoring through compatible Lennox thermostats.

★ Ideal for

It suits shoppers seeking the best value for money when whole-home coverage and broad contaminant control matter, because its 150-watt system combines MERV-16 filtration, particle capture down to 0.3 microns, odor and vapor treatment, and smart maintenance alerts in one HVAC-integrated unit.