Kvant Energy
a retail online store of heating equipment, a catalog of ~3,500 SKUs
- Task
- Bring the full range of heating equipment online (bimetallic radiators, electric radiators, breezers, fan heaters, underfloor heating, thermostats), with navigation and filters for comparing technical specifications, and with a checkout that serves both retail buyers and sole traders/LLCs paying VAT.
- Solution
- An OpenCart 3 store (oct_showcase theme, nginx). Two language versions, uk/ru, with correct hreflang and x-default. Checkout with monobank, cash on delivery via the carrier, cash on pickup and a bank-transfer invoice for sole traders/LLCs paying VAT. Four delivery methods: Nova Poshta, Meest Express, Delivery Auto, in-store pickup in Kharkiv. GTM/GA4, Google Maps and Telegram/Viber/WhatsApp messengers are connected.
- Result
- 3,565 product cards in the live catalog (measured 31 July 2026 with the standard OpenCart search on an empty query: 36 pages of 100 items, the last with 65). TTFB 0.52 s, full HTML load 0.66 s at 296 KB of markup. 4 payment methods and 4 delivery methods at checkout. Two language versions with valid hreflang and x-default.