ClearTherm Limited was incorporated in 1988, its principle activity being the manufacture of hermetically sealed double glazed units. Back in the early days nobody could have predicted that ClearTherm would progress to become one of the midlands major suppliers of double glazed sealed units.

ClearTherm Limited produce the full range of double glazed units at our Barwell production facility and currently manufacture approximately 2000 sealed units per week.

A large proportion of our sealed units incorporate leaded and georgian designs selected from the vast range we can offer. We specialise in producing a complet range of decorative stained and bevel units all of which are manufactured on site.

ClearTherm have expanded steadily over the past 10 years and currently employs 15 people, many of whom have many years experience within the glass industry.

In recognition of our commitment and service to our customers ClearTherm were awarded the ISO 9002 certificate by British Standards in the year 2000.

All our products, including leaded, georgian and stained units are manufactured to BS 5713: 1979 "Specification for hermetically sealed flat double glazing units" and are covered by the British Standards Kitemark scheme. Our license number is KM 52421.

In 1997 ClearTherm Limited expanded its business when it aquired Midland Replacement Window Door and Glazing Limited. Midland Replacement are a leading manufacturer of the Monarch aluminium range of products in the midlands.

We manufacture on site Monarch's patio, residential and french door suites along with their full range monaframe and indirect fix windows for residential premises. All products are available either as supply only or supply and fix.

We also specialise in producing the full range of Glostal Monarch commercial windows and doors along with shopfronts and curtain walling. All of the commercial products are available in any RAL or BS colour in either a matt, satin or gloss finish. All products are available as supply only or supply and fix.

At Midland Replacement we also offer a nationwide supply service on commercial/curtain walling products.