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En159 alternatives & similar sites

Industrial purification heat recovery，air to air heat exchanger and its application — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Mechanical And Industrial Engineering Industry →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
retubeco.com ↗	72 match 1 shared topics	Heat Exchanger Solutions & Industrial Services \| RetubeCo	en	mechanical-and-industrial-engineering-industry WordPress WooCommerce	robotsllmsaihumans	emailphone	none
airgreen.pk ↗	70 match 1 shared topics	Air Green \| Industrial Air Conditioning, Humidification & Ventilation — Karachi	en	mechanical-and-industrial-engineering-industry	robotsllmsaihumans	email phone	none
thehxgroup.com ↗	70 match 1 shared topics	Heat Exchanger and Pump Services	en	mechanical-and-industrial-engineering-industry	robotsllmsaihumans	email phone	none
mcmullenhvac.com ↗	70 match 1 shared topics	Tampa Commercial Air Conditioning \| Retrofit and Industrial Refrigeration \| Heating and Cooling Systems - McMullen Air Conditioning & Refrigeration	en	mechanical-and-industrial-engineering-industry	robotsllmsaihumans	emailphone	none
ringrad.com ↗	70 match 1 shared topics	Industrial Heat Exchanger Repair & Maintenance \| Ontario \| RingHX	en	mechanical-and-industrial-engineering-industry WordPress WooCommerce	robotsllmsaihumans	email phone	none
kistler.solutions ↗	69 match 1 shared topics	Industries and applications \| Kistler INT	en	mechanical-and-industrial-engineering-industry	robotsllmsaihumans	emailphone	none
zimipco.com ↗	69 match 1 shared topics	Zamil Inspection & Maintenance of Industrial Projects Company, Saudi Arabia \| Turnaround & Inspection, Heat Exchanger Refurbishment, Storage Tank maintenance & Modification	en	mechanical-and-industrial-engineering-industry	robotsllmsaihumans	emailphone	none
formhalsinc.net ↗	68 match 1 shared topics	Formhals, Inc. - On Site Plate Heat Exchanger Cleaning, Repair, Maintenance and Installation	en	mechanical-and-industrial-engineering-industry	robotsllmsaihumans	emailphone	none
diversifiedindustrialproducts.com ↗	68 match 1 shared topics	Diversified Industrial Products \| Air Filtration and Ventilation Experts	United States~ en	mechanical-and-industrial-engineering-industry	robotsllmsaihumans	emailphone	none
theheatexchangerworkshop.com ↗	68 match 1 shared topics	Heat Exchanger Services \| The Heat Exchanger Workshop Ltd	en	mechanical-and-industrial-engineering-industry WordPress	robotsllmsaihumans	emailphone	partial · 8
theinnovativeenergy.com ↗	68 match 1 shared topics	Fahrenheit AirPro System - Industrial Parts and Services	en	mechanical-and-industrial-engineering-industry	robotsllmsaihumans	emailphone	none
mediwhispr.store ↗	68 match 1 shared topics	Mechinox Heat Exchanger Specialists	en	mechanical-and-industrial-engineering-industry WordPress	robotsllmsaihumans	emailphone	none
aircooledaftercoolers.com ↗	68 match 1 shared topics	Air Cooled Aftercoolers & Heat Exchangers	en	mechanical-and-industrial-engineering-industry	robotsllmsaihumans	email phone	none
deltathx.com ↗	68 match 1 shared topics	Heat Exchangers in Canada \| Custom Heat Transfer Solutions	Canada~ en	mechanical-and-industrial-engineering-industry	robotsllmsaihumans	email phone	none
vrsinc.net ↗	68 match 1 shared topics	Industrial Valve Repair \| Valve Reconditioning Service \| Melvindale	en	mechanical-and-industrial-engineering-industry Wix	robots llmsaihumans	emailphone	none
ddi-heatexchangers.com ↗	68 match 1 shared topics	DDI Heat Exchangers \| Don't Waste the Waste: Use DDI Heat Recovery	en	mechanical-and-industrial-engineering-industry WordPress	robotsllmsaihumans	emailphone	none
a-ventouris.com ↗	68 match 1 shared topics	Anastasios Ventouris, Maritime and industrial applications	en	mechanical-and-industrial-engineering-industry WordPress WooCommerce	robotsllmsaihumans	emailphone	none
3dflange.com ↗	68 match 1 shared topics	flange specifications identification APP,fidesbio	en	mechanical-and-industrial-engineering-industry	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.